diff options
65 files changed, 744 insertions, 386 deletions
diff --git a/MAINTAINERS b/MAINTAINERS index 1fa907441f8f..cb7d1a42f2cd 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -5647,7 +5647,7 @@ S: Maintained F: drivers/pinctrl/spear/ PKTCDVD DRIVER -M: Peter Osterlund <petero2@telia.com> +M: Jiri Kosina <jkosina@suse.cz> S: Maintained F: drivers/block/pktcdvd.c F: include/linux/pktcdvd.h diff --git a/block/Kconfig b/block/Kconfig index 09acf1b39905..a7e40a7c8214 100644 --- a/block/Kconfig +++ b/block/Kconfig @@ -89,7 +89,7 @@ config BLK_DEV_INTEGRITY config BLK_DEV_THROTTLING bool "Block layer bio throttling support" - depends on BLK_CGROUP=y && EXPERIMENTAL + depends on BLK_CGROUP=y default n ---help--- Block layer bio throttling support. It can be used to limit diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c index cafcd7431189..d0b770391ad4 100644 --- a/block/blk-cgroup.c +++ b/block/blk-cgroup.c @@ -285,6 +285,13 @@ static void blkg_destroy_all(struct request_queue *q) blkg_destroy(blkg); spin_unlock(&blkcg->lock); } + + /* + * root blkg is destroyed. Just clear the pointer since + * root_rl does not take reference on root blkg. + */ + q->root_blkg = NULL; + q->root_rl.blkg = NULL; } static void blkg_rcu_free(struct rcu_head *rcu_head) @@ -326,6 +333,9 @@ struct request_list *__blk_queue_next_rl(struct request_list *rl, */ if (rl == &q->root_rl) { ent = &q->blkg_list; + /* There are no more block groups, hence no request lists */ + if (list_empty(ent)) + return NULL; } else { blkg = container_of(rl, struct blkcg_gq, rl); ent = &blkg->q_node; diff --git a/block/blk-core.c b/block/blk-core.c index a33870b1847b..3c95c4d6e31a 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -2868,7 +2868,8 @@ static int plug_rq_cmp(void *priv, struct list_head *a, struct list_head *b) struct request *rqa = container_of(a, struct request, queuelist); struct request *rqb = container_of(b, struct request, queuelist); - return !(rqa->q <= rqb->q); + return !(rqa->q < rqb->q || + (rqa->q == rqb->q && blk_rq_pos(rqa) < blk_rq_pos(rqb))); } /* diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig index f529407db93f..824e09c4d0d7 100644 --- a/drivers/block/Kconfig +++ b/drivers/block/Kconfig @@ -131,6 +131,7 @@ config BLK_CPQ_DA config BLK_CPQ_CISS_DA tristate "Compaq Smart Array 5xxx support" depends on PCI + select CHECK_SIGNATURE help This is the driver for Compaq Smart Array 5xxx controllers. Everyone using these boards should say Y here. @@ -166,8 +167,8 @@ config BLK_DEV_DAC960 module will be called DAC960. config BLK_DEV_UMEM - tristate "Micro Memory MM5415 Battery Backed RAM support (EXPERIMENTAL)" - depends on PCI && EXPERIMENTAL + tristate "Micro Memory MM5415 Battery Backed RAM support" + depends on PCI ---help--- Saying Y here will include support for the MM5415 family of battery backed (Non-volatile) RAM cards. @@ -430,8 +431,8 @@ config CDROM_PKTCDVD_BUFFERS a disc is opened for writing. config CDROM_PKTCDVD_WCACHE - bool "Enable write caching (EXPERIMENTAL)" - depends on CDROM_PKTCDVD && EXPERIMENTAL + bool "Enable write caching" + depends on CDROM_PKTCDVD help If enabled, write caching will be set for the CD-R/W device. For now this option is dangerous unless the CD-RW media is known good, as we @@ -508,8 +509,8 @@ config XEN_BLKDEV_BACKEND config VIRTIO_BLK - tristate "Virtio block driver (EXPERIMENTAL)" - depends on EXPERIMENTAL && VIRTIO + tristate "Virtio block driver" + depends on VIRTIO ---help--- This is the virtual block driver for virtio. It can be used with lguest or QEMU based VMMs (like KVM or Xen). Say Y or M. @@ -528,7 +529,7 @@ config BLK_DEV_HD config BLK_DEV_RBD tristate "Rados block device (RBD)" - depends on INET && EXPERIMENTAL && BLOCK + depends on INET && BLOCK select CEPH_LIB select LIBCRC32C select CRYPTO_AES diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c index b0f553b26d0f..ca83f96756ad 100644 --- a/drivers/block/cciss.c +++ b/drivers/block/cciss.c @@ -5205,7 +5205,6 @@ static void cciss_shutdown(struct pci_dev *pdev) return; } /* write all data in the battery backed cache to disk */ - memset(flush_buf, 0, 4); return_code = sendcmd_withirq(h, CCISS_CACHE_FLUSH, flush_buf, 4, 0, CTLR_LUNID, TYPE_CMD); kfree(flush_buf); diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c index 17c675c52295..1c49d7173966 100644 --- a/drivers/block/floppy.c +++ b/drivers/block/floppy.c @@ -4109,12 +4109,19 @@ static struct platform_driver floppy_driver = { static struct platform_device floppy_device[N_DRIVE]; +static bool floppy_available(int drive) +{ + if (!(allowed_drive_mask & (1 << drive))) + return false; + if (fdc_state[FDC(drive)].version == FDC_NONE) + return false; + return true; +} + static struct kobject *floppy_find(dev_t dev, int *part, void *data) { int drive = (*part & 3) | ((*part & 0x80) >> 5); - if (drive >= N_DRIVE || - !(allowed_drive_mask & (1 << drive)) || - fdc_state[FDC(drive)].version == FDC_NONE) + if (drive >= N_DRIVE || !floppy_available(drive)) return NULL; if (((*part >> 2) & 0x1f) >= ARRAY_SIZE(floppy_type)) return NULL; @@ -4124,8 +4131,7 @@ static struct kobject *floppy_find(dev_t dev, int *part, void *data) static int __init do_floppy_init(void) { - int i, unit, drive; - int err, dr; + int i, unit, drive, err; set_debugt(); interruptjiffies = resultjiffies = jiffies; @@ -4137,34 +4143,32 @@ static int __init do_floppy_init(void) raw_cmd = NULL; - for (dr = 0; dr < N_DRIVE; dr++) { - disks[dr] = alloc_disk(1); - if (!disks[dr]) { - err = -ENOMEM; - goto out_put_disk; - } + floppy_wq = alloc_ordered_workqueue("floppy", 0); + if (!floppy_wq) + return -ENOMEM; - floppy_wq = alloc_ordered_workqueue("floppy", 0); - if (!floppy_wq) { + for (drive = 0; drive < N_DRIVE; drive++) { + disks[drive] = alloc_disk(1); + if (!disks[drive]) { err = -ENOMEM; goto out_put_disk; } - disks[dr]->queue = blk_init_queue(do_fd_request, &floppy_lock); - if (!disks[dr]->queue) { + disks[drive]->queue = blk_init_queue(do_fd_request, &floppy_lock); + if (!disks[drive]->queue) { err = -ENOMEM; - goto out_destroy_workq; + goto out_put_disk; } - blk_queue_max_hw_sectors(disks[dr]->queue, 64); - disks[dr]->major = FLOPPY_MAJOR; - disks[dr]->first_minor = TOMINOR(dr); - disks[dr]->fops = &floppy_fops; - sprintf(disks[dr]->disk_name, "fd%d", dr); + blk_queue_max_hw_sectors(disks[drive]->queue, 64); + disks[drive]->major = FLOPPY_MAJOR; + disks[drive]->first_minor = TOMINOR(drive); + disks[drive]->fops = &floppy_fops; + sprintf(disks[drive]->disk_name, "fd%d", drive); - init_timer(&motor_off_timer[dr]); - motor_off_timer[dr].data = dr; - motor_off_timer[dr].function = motor_off_callback; + init_timer(&motor_off_timer[drive]); + motor_off_timer[drive].data = drive; + motor_off_timer[drive].function = motor_off_callback; } err = register_blkdev(FLOPPY_MAJOR, "fd"); @@ -4282,9 +4286,7 @@ static int __init do_floppy_init(void) } for (drive = 0; drive < N_DRIVE; drive++) { - if (!(allowed_drive_mask & (1 << drive))) - continue; - if (fdc_state[FDC(drive)].version == FDC_NONE) + if (!floppy_available(drive)) continue; floppy_device[drive].name = floppy_device_name; @@ -4293,7 +4295,7 @@ static int __init do_floppy_init(void) err = platform_device_register(&floppy_device[drive]); if (err) - goto out_release_dma; + goto out_remove_drives; err = device_create_file(&floppy_device[drive].dev, &dev_attr_cmos); @@ -4311,29 +4313,34 @@ static int __init do_floppy_init(void) out_unreg_platform_dev: platform_device_unregister(&floppy_device[drive]); +out_remove_drives: + while (drive--) { + if (floppy_available(drive)) { + del_gendisk(disks[drive]); + device_remove_file(&floppy_device[drive].dev, &dev_attr_cmos); + platform_device_unregister(&floppy_device[drive]); + } + } out_release_dma: if (atomic_read(&usage_count)) floppy_release_irq_and_dma(); out_unreg_region: blk_unregister_region(MKDEV(FLOPPY_MAJOR, 0), 256); platform_driver_unregister(&floppy_driver); -out_destroy_workq: - destroy_workqueue(floppy_wq); out_unreg_blkdev: unregister_blkdev(FLOPPY_MAJOR, "fd"); out_put_disk: - while (dr--) { - del_timer_sync(&motor_off_timer[dr]); - if (disks[dr]->queue) { - blk_cleanup_queue(disks[dr]->queue); - /* - * put_disk() is not paired with add_disk() and - * will put queue reference one extra time. fix it. - */ - disks[dr]->queue = NULL; + for (drive = 0; drive < N_DRIVE; drive++) { + if (!disks[drive]) + break; + if (disks[drive]->queue) { + del_timer_sync(&motor_off_timer[drive]); + blk_cleanup_queue(disks[drive]->queue); + disks[drive]->queue = NULL; } - put_disk(disks[dr]); + put_disk(disks[drive]); } + destroy_workqueue(floppy_wq); return err; } @@ -4551,8 +4558,7 @@ static void __exit floppy_module_exit(void) for (drive = 0; drive < N_DRIVE; drive++) { del_timer_sync(&motor_off_timer[drive]); - if ((allowed_drive_mask & (1 << drive)) && - fdc_state[FDC(drive)].version != FDC_NONE) { + if (floppy_available(drive)) { del_gendisk(disks[drive]); device_remove_file(&floppy_device[drive].dev, &dev_attr_cmos); platform_device_unregister(&floppy_device[drive]); diff --git a/drivers/block/loop.c b/drivers/block/loop.c index e9d594fd12cb..54046e51160a 100644 --- a/drivers/block/loop.c +++ b/drivers/block/loop.c @@ -976,8 +976,21 @@ static int loop_clr_fd(struct loop_device *lo) if (lo->lo_state != Lo_bound) return -ENXIO; - if (lo->lo_refcnt > 1) /* we needed one fd for the ioctl */ - return -EBUSY; + /* + * If we've explicitly asked to tear down the loop device, + * and it has an elevated reference count, set it for auto-teardown when + * the last reference goes away. This stops $!~#$@ udev from + * preventing teardown because it decided that it needs to run blkid on + * the loopback device whenever they appear. xfstests is notorious for + * failing tests because blkid via udev races with a losetup + * <dev>/do something like mkfs/losetup -d <dev> causing the losetup -d + * command to fail with EBUSY. + */ + if (lo->lo_refcnt > 1) { + lo->lo_flags |= LO_FLAGS_AUTOCLEAR; + mutex_unlock(&lo->lo_ctl_mutex); + return 0; + } if (filp == NULL) return -EINVAL; diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c index f946d31d6917..adc6f36564cf 100644 --- a/drivers/block/mtip32xx/mtip32xx.c +++ b/drivers/block/mtip32xx/mtip32xx.c @@ -2035,8 +2035,9 @@ static unsigned int implicit_sector(unsigned char command, } return rv; } - -static void mtip_set_timeout(struct host_to_dev_fis *fis, unsigned int *timeout) +static void mtip_set_timeout(struct driver_data *dd, + struct host_to_dev_fis *fis, + unsigned int *timeout, u8 erasemode) { switch (fis->command) { case ATA_CMD_DOWNLOAD_MICRO: @@ -2044,7 +2045,10 @@ static void mtip_set_timeout(struct host_to_dev_fis *fis, unsigned int *timeout) break; case ATA_CMD_SEC_ERASE_UNIT: case 0xFC: - *timeout = 240000; /* 4 minutes */ + if (erasemode) + *timeout = ((*(dd->port->identify + 90) * 2) * 60000); + else + *timeout = ((*(dd->port->identify + 89) * 2) * 60000); break; case ATA_CMD_STANDBYNOW1: *timeout = 120000; /* 2 minutes */ @@ -2087,6 +2091,7 @@ static int exec_drive_taskfile(struct driver_data *dd, unsigned int transfer_size; unsigned long task_file_data; int intotal = outtotal + req_task->out_size; + int erasemode = 0; taskout = req_task->out_size; taskin = req_task->in_size; @@ -2212,7 +2217,13 @@ static int exec_drive_taskfile(struct driver_data *dd, fis.lba_hi, fis.device); - mtip_set_timeout(&fis, &timeout); + /* check for erase mode support during secure erase.*/ + if ((fis.command == ATA_CMD_SEC_ERASE_UNIT) + && (outbuf[0] & MTIP_SEC_ERASE_MODE)) { + erasemode = 1; + } + + mtip_set_timeout(dd, &fis, &timeout, erasemode); /* Determine the correct transfer size.*/ if (force_single_sector) diff --git a/drivers/block/mtip32xx/mtip32xx.h b/drivers/block/mtip32xx/mtip32xx.h index 18627a1d04c5..5f4a917bd8bb 100644 --- a/drivers/block/mtip32xx/mtip32xx.h +++ b/drivers/block/mtip32xx/mtip32xx.h @@ -33,6 +33,9 @@ /* offset of Device Control register in PCIe extended capabilites space */ #define PCIE_CONFIG_EXT_DEVICE_CONTROL_OFFSET 0x48 +/* check for erase mode support during secure erase */ +#define MTIP_SEC_ERASE_MODE 0x3 + /* # of times to retry timed out/failed IOs */ #define MTIP_MAX_RETRIES 2 diff --git a/drivers/block/xen-blkback/common.h b/drivers/block/xen-blkback/common.h index 9ad3b5ec1dc1..9a54623e52d7 100644 --- a/drivers/block/xen-blkback/common.h +++ b/drivers/block/xen-blkback/common.h @@ -158,8 +158,8 @@ struct xen_vbd { struct block_device *bdev; /* Cached size parameter. */ sector_t size; - bool flush_support; - bool discard_secure; + unsigned int flush_support:1; + unsigned int discard_secure:1; }; struct backend_info; diff --git a/drivers/block/xen-blkback/xenbus.c b/drivers/block/xen-blkback/xenbus.c index 4f66171c6683..f58434c2617c 100644 --- a/drivers/block/xen-blkback/xenbus.c +++ b/drivers/block/xen-blkback/xenbus.c @@ -105,11 +105,10 @@ static struct xen_blkif *xen_blkif_alloc(domid_t domid) { struct xen_blkif *blkif; - blkif = kmem_cache_alloc(xen_blkif_cachep, GFP_KERNEL); + blkif = kmem_cache_zalloc(xen_blkif_cachep, GFP_KERNEL); if (!blkif) return ERR_PTR(-ENOMEM); - memset(blkif, 0, sizeof(*blkif)); blkif->domid = domid; spin_lock_init(&blkif->blk_ring_lock); atomic_set(&blkif->refcnt, 1); @@ -196,7 +195,7 @@ static void xen_blkif_disconnect(struct xen_blkif *blkif) } } -void xen_blkif_free(struct xen_blkif *blkif) +static void xen_blkif_free(struct xen_blkif *blkif) { if (!atomic_dec_and_test(&blkif->refcnt)) BUG(); @@ -257,7 +256,7 @@ static struct attribute_group xen_vbdstat_group = { VBD_SHOW(physical_device, "%x:%x\n", be->major, be->minor); VBD_SHOW(mode, "%s\n", be->mode); -int xenvbd_sysfs_addif(struct xenbus_device *dev) +static int xenvbd_sysfs_addif(struct xenbus_device *dev) { int error; @@ -281,7 +280,7 @@ fail1: device_remove_file(&dev->dev, &dev_attr_physical_device); return error; } -void xenvbd_sysfs_delif(struct xenbus_device *dev) +static void xenvbd_sysfs_delif(struct xenbus_device *dev) { sysfs_remove_group(&dev->dev.kobj, &xen_vbdstat_group); device_remove_file(&dev->dev, &dev_attr_mode); diff --git a/drivers/gpio/gpio-74x164.c b/drivers/gpio/gpio-74x164.c index ed3e55161bdc..f05e54258ffb 100644 --- a/drivers/gpio/gpio-74x164.c +++ b/drivers/gpio/gpio-74x164.c @@ -153,7 +153,7 @@ static int __devinit gen_74x164_probe(struct spi_device *spi) } chip->gpio_chip.ngpio = GEN_74X164_NUMBER_GPIOS * chip->registers; - chip->buffer = devm_kzalloc(&spi->dev, chip->gpio_chip.ngpio, GFP_KERNEL); + chip->buffer = devm_kzalloc(&spi->dev, chip->registers, GFP_KERNEL); if (!chip->buffer) { ret = -ENOMEM; goto exit_destroy; diff --git a/drivers/gpio/gpio-mvebu.c b/drivers/gpio/gpio-mvebu.c index 7a874129e5d8..cf7afb9eb61a 100644 --- a/drivers/gpio/gpio-mvebu.c +++ b/drivers/gpio/gpio-mvebu.c @@ -244,6 +244,8 @@ static int mvebu_gpio_direction_output(struct gpio_chip *chip, unsigned pin, if (ret) return ret; + mvebu_gpio_set(chip, pin, value); + spin_lock_irqsave(&mvchip->lock, flags); u = readl_relaxed(mvebu_gpioreg_io_conf(mvchip)); u &= ~(1 << pin); @@ -644,7 +646,7 @@ static int __devinit mvebu_gpio_probe(struct platform_device *pdev) ct->handler = handle_edge_irq; ct->chip.name = mvchip->chip.label; - irq_setup_generic_chip(gc, IRQ_MSK(ngpios), IRQ_GC_INIT_MASK_CACHE, + irq_setup_generic_chip(gc, IRQ_MSK(ngpios), 0, IRQ_NOREQUEST, IRQ_LEVEL | IRQ_NOPROBE); /* Setup irq domain on top of the generic chip. */ diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c index 94cbc842fbc3..d335af1d4d85 100644 --- a/drivers/gpio/gpio-omap.c +++ b/drivers/gpio/gpio-omap.c @@ -251,6 +251,40 @@ static void _set_gpio_debounce(struct gpio_bank *bank, unsigned gpio, } } +/** + * _clear_gpio_debounce - clear debounce settings for a gpio + * @bank: the gpio bank we're acting upon + * @gpio: the gpio number on this @gpio + * + * If a gpio is using debounce, then clear the debounce enable bit and if + * this is the only gpio in this bank using debounce, then clear the debounce + * time too. The debounce clock will also be disabled when calling this function + * if this is the only gpio in the bank using debounce. + */ +static void _clear_gpio_debounce(struct gpio_bank *bank, unsigned gpio) +{ + u32 gpio_bit = GPIO_BIT(bank, gpio); + + if (!bank->dbck_flag) + return; + + if (!(bank->dbck_enable_mask & gpio_bit)) + return; + + bank->dbck_enable_mask &= ~gpio_bit; + bank->context.debounce_en &= ~gpio_bit; + __raw_writel(bank->context.debounce_en, + bank->base + bank->regs->debounce_en); + + if (!bank->dbck_enable_mask) { + bank->context.debounce = 0; + __raw_writel(bank->context.debounce, bank->base + + bank->regs->debounce); + clk_disable(bank->dbck); + bank->dbck_enabled = false; + } +} + static inline void set_gpio_trigger(struct gpio_bank *bank, int gpio, unsigned trigger) { @@ -539,6 +573,7 @@ static void _reset_gpio(struct gpio_bank *bank, int gpio) _set_gpio_irqenable(bank, gpio, 0); _clear_gpio_irqstatus(bank, gpio); _set_gpio_triggering(bank, GPIO_INDEX(bank, gpio), IRQ_TYPE_NONE); + _clear_gpio_debounce(bank, gpio); } /* Use disable_irq_wake() and enable_irq_wake() functions from drivers */ diff --git a/drivers/gpio/gpio-timberdale.c b/drivers/gpio/gpio-timberdale.c index 031c6adf5b65..1a3e2b9b4772 100644 --- a/drivers/gpio/gpio-timberdale.c +++ b/drivers/gpio/gpio-timberdale.c @@ -116,7 +116,7 @@ static void timbgpio_irq_disable(struct irq_data *d) unsigned long flags; spin_lock_irqsave(&tgpio->lock, flags); - tgpio->last_ier &= ~(1 << offset); + tgpio->last_ier &= ~(1UL << offset); iowrite32(tgpio->last_ier, tgpio->membase + TGPIO_IER); spin_unlock_irqrestore(&tgpio->lock, flags); } @@ -128,7 +128,7 @@ static void timbgpio_irq_enable(struct irq_data *d) unsigned long flags; spin_lock_irqsave(&tgpio->lock, flags); - tgpio->last_ier |= 1 << offset; + tgpio->last_ier |= 1UL << offset; iowrite32(tgpio->last_ier, tgpio->membase + TGPIO_IER); spin_unlock_irqrestore(&tgpio->lock, flags); } diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 5d6c71edc739..1c8d9e3380e1 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -623,9 +623,11 @@ static ssize_t export_store(struct class *class, */ status = gpio_request(gpio, "sysfs"); - if (status < 0) + if (status < 0) { + if (status == -EPROBE_DEFER) + status = -ENODEV; goto done; - + } status = gpio_export(gpio, true); if (status < 0) gpio_free(gpio); @@ -1191,8 +1193,10 @@ int gpio_request(unsigned gpio, const char *label) spin_lock_irqsave(&gpio_lock, flags); - if (!gpio_is_valid(gpio)) + if (!gpio_is_valid(gpio)) { + status = -EINVAL; goto done; + } desc = &gpio_desc[gpio]; chip = desc->chip; if (chip == NULL) diff --git a/drivers/hid/hid-apple.c b/drivers/hid/hid-apple.c index 06ebdbb6ea02..fd7722aecf77 100644 --- a/drivers/hid/hid-apple.c +++ b/drivers/hid/hid-apple.c @@ -522,6 +522,12 @@ static const struct hid_device_id apple_devices[] = { .driver_data = APPLE_HAS_FN | APPLE_ISO_KEYBOARD }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS), .driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI), + .driver_data = APPLE_HAS_FN }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO), + .driver_data = APPLE_HAS_FN | APPLE_ISO_KEYBOARD }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS), + .driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI), .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO), diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index bd3971bf31bf..f4109fd657ff 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1532,6 +1532,9 @@ static const struct hid_device_id hid_have_special_driver[] = { { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI) }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO) }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS) }, @@ -2139,6 +2142,9 @@ static const struct hid_device_id hid_mouse_ignore_list[] = { { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) }, { } diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index 269b50912a4a..9d7a42857ea1 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -118,6 +118,9 @@ #define USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI 0x0252 #define USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO 0x0253 #define USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS 0x0254 +#define USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI 0x0259 +#define USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO 0x025a +#define USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS 0x025b #define USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI 0x0249 #define USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO 0x024a #define USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS 0x024b diff --git a/drivers/hid/hid-microsoft.c b/drivers/hid/hid-microsoft.c index 3acdcfcc17df..f676c01bb471 100644 --- a/drivers/hid/hid-microsoft.c +++ b/drivers/hid/hid-microsoft.c @@ -28,22 +28,30 @@ #define MS_RDESC 0x08 #define MS_NOGET 0x10 #define MS_DUPLICATE_USAGES 0x20 +#define MS_RDESC_3K 0x40 -/* - * Microsoft Wireless Desktop Receiver (Model 1028) has - * 'Usage Min/Max' where it ought to have 'Physical Min/Max' - */ static __u8 *ms_report_fixup(struct hid_device *hdev, __u8 *rdesc, unsigned int *rsize) { unsigned long quirks = (unsigned long)hid_get_drvdata(hdev); + /* + * Microsoft Wireless Desktop Receiver (Model 1028) has + * 'Usage Min/Max' where it ought to have 'Physical Min/Max' + */ if ((quirks & MS_RDESC) && *rsize == 571 && rdesc[557] == 0x19 && rdesc[559] == 0x29) { hid_info(hdev, "fixing up Microsoft Wireless Receiver Model 1028 report descriptor\n"); rdesc[557] = 0x35; rdesc[559] = 0x45; } + /* the same as above (s/usage/physical/) */ + if ((quirks & MS_RDESC_3K) && *rsize == 106 && + !memcmp((char []){ 0x19, 0x00, 0x29, 0xff }, + &rdesc[94], 4)) { + rdesc[94] = 0x35; + rdesc[96] = 0x45; + } return rdesc; } @@ -192,7 +200,7 @@ static const struct hid_device_id ms_devices[] = { { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB), .driver_data = MS_PRESENTER }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K), - .driver_data = MS_ERGONOMY }, + .driver_data = MS_ERGONOMY | MS_RDESC_3K }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0), .driver_data = MS_NOGET }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_MOUSE_4500), diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c index 3eb02b94fc87..7867d69f0efe 100644 --- a/drivers/hid/hid-multitouch.c +++ b/drivers/hid/hid-multitouch.c @@ -210,8 +210,7 @@ static struct mt_class mt_classes[] = { }, { .name = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP | - MT_QUIRK_SLOT_IS_CONTACTNUMBER, - .maxcontacts = 10 + MT_QUIRK_SLOT_IS_CONTACTNUMBER }, { .name = MT_CLS_FLATFROG, @@ -421,11 +420,11 @@ static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi, * contact max are global to the report */ td->last_field_index = field->index; return -1; - } case HID_DG_TOUCH: /* Legacy devices use TIPSWITCH and not TOUCH. * Let's just ignore this field. */ return -1; + } /* let hid-input decide for the others */ return 0; diff --git a/drivers/i2c/Makefile b/drivers/i2c/Makefile index beee6b2d361d..1722f50f2473 100644 --- a/drivers/i2c/Makefile +++ b/drivers/i2c/Makefile @@ -8,6 +8,7 @@ obj-$(CONFIG_I2C_SMBUS) += i2c-smbus.o obj-$(CONFIG_I2C_CHARDEV) += i2c-dev.o obj-$(CONFIG_I2C_MUX) += i2c-mux.o obj-y += algos/ busses/ muxes/ +obj-$(CONFIG_I2C_STUB) += i2c-stub.o ccflags-$(CONFIG_I2C_DEBUG_CORE) := -DDEBUG CFLAGS_i2c-core.o := -Wno-deprecated-declarations diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig index 65dd599a0262..e9df4612b7eb 100644 --- a/drivers/i2c/busses/Kconfig +++ b/drivers/i2c/busses/Kconfig @@ -81,7 +81,6 @@ config I2C_I801 tristate "Intel 82801 (ICH/PCH)" depends on PCI select CHECK_SIGNATURE if X86 && DMI - select GPIOLIB if I2C_MUX help If you say yes to this option, support will be included for the Intel 801 family of mainboard I2C interfaces. Specifically, the following diff --git a/drivers/i2c/busses/Makefile b/drivers/i2c/busses/Makefile index 2d33d62952c1..395b516ffa08 100644 --- a/drivers/i2c/busses/Makefile +++ b/drivers/i2c/busses/Makefile @@ -85,7 +85,6 @@ obj-$(CONFIG_I2C_ACORN) += i2c-acorn.o obj-$(CONFIG_I2C_ELEKTOR) += i2c-elektor.o obj-$(CONFIG_I2C_PCA_ISA) += i2c-pca-isa.o obj-$(CONFIG_I2C_SIBYTE) += i2c-sibyte.o -obj-$(CONFIG_I2C_STUB) += i2c-stub.o obj-$(CONFIG_SCx200_ACB) += scx200_acb.o obj-$(CONFIG_SCx200_I2C) += scx200_i2c.o diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c index 37793156bd93..6abc00d59881 100644 --- a/drivers/i2c/busses/i2c-i801.c +++ b/drivers/i2c/busses/i2c-i801.c @@ -82,7 +82,8 @@ #include <linux/wait.h> #include <linux/err.h> -#if defined CONFIG_I2C_MUX || defined CONFIG_I2C_MUX_MODULE +#if (defined CONFIG_I2C_MUX_GPIO || defined CONFIG_I2C_MUX_GPIO_MODULE) && \ + defined CONFIG_DMI #include <linux/gpio.h> #include <linux/i2c-mux-gpio.h> #include <linux/platform_device.h> @@ -192,7 +193,8 @@ struct i801_priv { int len; u8 *data; -#if defined CONFIG_I2C_MUX || defined CONFIG_I2C_MUX_MODULE +#if (defined CONFIG_I2C_MUX_GPIO || defined CONFIG_I2C_MUX_GPIO_MODULE) && \ + defined CONFIG_DMI const struct i801_mux_config *mux_drvdata; struct platform_device *mux_pdev; #endif @@ -921,7 +923,8 @@ static void __init input_apanel_init(void) {} static void __devinit i801_probe_optional_slaves(struct i801_priv *priv) {} #endif /* CONFIG_X86 && CONFIG_DMI */ -#if defined CONFIG_I2C_MUX || defined CONFIG_I2C_MUX_MODULE +#if (defined CONFIG_I2C_MUX_GPIO || defined CONFIG_I2C_MUX_GPIO_MODULE) && \ + defined CONFIG_DMI static struct i801_mux_config i801_mux_config_asus_z8_d12 = { .gpio_chip = "gpio_ich", .values = { 0x02, 0x03 }, @@ -1059,7 +1062,7 @@ static unsigned int __devinit i801_get_adapter_class(struct i801_priv *priv) id = dmi_first_match(mux_dmi_table); if (id) { - /* Remove from branch classes from trunk */ + /* Remove branch classes from trunk */ mux_config = id->driver_data; for (i = 0; i < mux_config->n_values; i++) class &= ~mux_config->classes[i]; diff --git a/drivers/i2c/busses/i2c-stub.c b/drivers/i2c/i2c-stub.c index b1b3447942c9..d0a9c590c3cd 100644 --- a/drivers/i2c/busses/i2c-stub.c +++ b/drivers/i2c/i2c-stub.c @@ -2,7 +2,7 @@ i2c-stub.c - I2C/SMBus chip emulator Copyright (c) 2004 Mark M. Hoffman <mhoffman@lightlink.com> - Copyright (C) 2007 Jean Delvare <khali@linux-fr.org> + Copyright (C) 2007, 2012 Jean Delvare <khali@linux-fr.org> This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -51,8 +51,8 @@ struct stub_chip { static struct stub_chip *stub_chips; /* Return negative errno on error. */ -static s32 stub_xfer(struct i2c_adapter * adap, u16 addr, unsigned short flags, - char read_write, u8 command, int size, union i2c_smbus_data * data) +static s32 stub_xfer(struct i2c_adapter *adap, u16 addr, unsigned short flags, + char read_write, u8 command, int size, union i2c_smbus_data *data) { s32 ret; int i, len; @@ -78,14 +78,14 @@ static s32 stub_xfer(struct i2c_adapter * adap, u16 addr, unsigned short flags, case I2C_SMBUS_BYTE: if (read_write == I2C_SMBUS_WRITE) { chip->pointer = command; - dev_dbg(&adap->dev, "smbus byte - addr 0x%02x, " - "wrote 0x%02x.\n", - addr, command); + dev_dbg(&adap->dev, + "smbus byte - addr 0x%02x, wrote 0x%02x.\n", + addr, command); } else { data->byte = chip->words[chip->pointer++] & 0xff; - dev_dbg(&adap->dev, "smbus byte - addr 0x%02x, " - "read 0x%02x.\n", - addr, data->byte); + dev_dbg(&adap->dev, + "smbus byte - addr 0x%02x, read 0x%02x.\n", + addr, data->byte); } ret = 0; @@ -95,14 +95,14 @@ static s32 stub_xfer(struct i2c_adapter * adap, u16 addr, unsigned short flags, if (read_write == I2C_SMBUS_WRITE) { chip->words[command] &= 0xff00; chip->words[command] |= data->byte; - dev_dbg(&adap->dev, "smbus byte data - addr 0x%02x, " - "wrote 0x%02x at 0x%02x.\n", - addr, data->byte, command); + dev_dbg(&adap->dev, + "smbus byte data - addr 0x%02x, wrote 0x%02x at 0x%02x.\n", + addr, data->byte, command); } else { data->byte = chip->words[command] & 0xff; - dev_dbg(&adap->dev, "smbus byte data - addr 0x%02x, " - "read 0x%02x at 0x%02x.\n", - addr, data->byte, command); + dev_dbg(&adap->dev, + "smbus byte data - addr 0x%02x, read 0x%02x at 0x%02x.\n", + addr, data->byte, command); } chip->pointer = command + 1; @@ -112,14 +112,14 @@ static s32 stub_xfer(struct i2c_adapter * adap, u16 addr, unsigned short flags, case I2C_SMBUS_WORD_DATA: if (read_write == I2C_SMBUS_WRITE) { chip->words[command] = data->word; - dev_dbg(&adap->dev, "smbus word data - addr 0x%02x, " - "wrote 0x%04x at 0x%02x.\n", - addr, data->word, command); + dev_dbg(&adap->dev, + "smbus word data - addr 0x%02x, wrote 0x%04x at 0x%02x.\n", + addr, data->word, command); } else { data->word = chip->words[command]; - dev_dbg(&adap->dev, "smbus word data - addr 0x%02x, " - "read 0x%04x at 0x%02x.\n", - addr, data->word, command); + dev_dbg(&adap->dev, + "smbus word data - addr 0x%02x, read 0x%04x at 0x%02x.\n", + addr, data->word, command); } ret = 0; @@ -132,17 +132,17 @@ static s32 stub_xfer(struct i2c_adapter * adap, u16 addr, unsigned short flags, chip->words[command + i] &= 0xff00; chip->words[command + i] |= data->block[1 + i]; } - dev_dbg(&adap->dev, "i2c block data - addr 0x%02x, " - "wrote %d bytes at 0x%02x.\n", - addr, len, command); + dev_dbg(&adap->dev, + "i2c block data - addr 0x%02x, wrote %d bytes at 0x%02x.\n", + addr, len, command); } else { for (i = 0; i < len; i++) { data->block[1 + i] = chip->words[command + i] & 0xff; } - dev_dbg(&adap->dev, "i2c block data - addr 0x%02x, " - "read %d bytes at 0x%02x.\n", - addr, len, command); + dev_dbg(&adap->dev, + "i2c block data - addr 0x%02x, read %d bytes at 0x%02x.\n", + addr, len, command); } ret = 0; @@ -179,25 +179,24 @@ static int __init i2c_stub_init(void) int i, ret; if (!chip_addr[0]) { - printk(KERN_ERR "i2c-stub: Please specify a chip address\n"); + pr_err("i2c-stub: Please specify a chip address\n"); return -ENODEV; } for (i = 0; i < MAX_CHIPS && chip_addr[i]; i++) { if (chip_addr[i] < 0x03 || chip_addr[i] > 0x77) { - printk(KERN_ERR "i2c-stub: Invalid chip address " - "0x%02x\n", chip_addr[i]); + pr_err("i2c-stub: Invalid chip address 0x%02x\n", + chip_addr[i]); return -EINVAL; } - printk(KERN_INFO "i2c-stub: Virtual chip at 0x%02x\n", - chip_addr[i]); + pr_info("i2c-stub: Virtual chip at 0x%02x\n", chip_addr[i]); } /* Allocate memory for all chips at once */ stub_chips = kzalloc(i * sizeof(struct stub_chip), GFP_KERNEL); if (!stub_chips) { - printk(KERN_ERR "i2c-stub: Out of memory\n"); + pr_err("i2c-stub: Out of memory\n"); return -ENOMEM; } @@ -219,4 +218,3 @@ MODULE_LICENSE("GPL"); module_init(i2c_stub_init); module_exit(i2c_stub_exit); - diff --git a/drivers/input/mouse/bcm5974.c b/drivers/input/mouse/bcm5974.c index 3a78f235fa3e..2baff1b79a55 100644 --- a/drivers/input/mouse/bcm5974.c +++ b/drivers/input/mouse/bcm5974.c @@ -84,6 +84,10 @@ #define USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI 0x0262 #define USB_DEVICE_ID_APPLE_WELLSPRING7_ISO 0x0263 #define USB_DEVICE_ID_APPLE_WELLSPRING7_JIS 0x0264 +/* MacbookPro10,2 (unibody, October 2012) */ +#define USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI 0x0259 +#define USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO 0x025a +#define USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS 0x025b #define BCM5974_DEVICE(prod) { \ .match_flags = (USB_DEVICE_ID_MATCH_DEVICE | \ @@ -137,6 +141,10 @@ static const struct usb_device_id bcm5974_table[] = { BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI), BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING7_ISO), BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING7_JIS), + /* MacbookPro10,2 */ + BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI), + BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO), + BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS), /* Terminating entry */ {} }; @@ -379,6 +387,19 @@ static const struct bcm5974_config bcm5974_config_table[] = { { SN_COORD, -150, 6730 }, { SN_ORIENT, -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION } }, + { + USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI, + USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO, + USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS, + HAS_INTEGRATED_BUTTON, + 0x84, sizeof(struct bt_data), + 0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS, + { SN_PRESSURE, 0, 300 }, + { SN_WIDTH, 0, 2048 }, + { SN_COORD, -4750, 5280 }, + { SN_COORD, -150, 6730 }, + { SN_ORIENT, -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION } + }, {} }; diff --git a/drivers/md/faulty.c b/drivers/md/faulty.c index 45135f69509c..5e7dc772f5de 100644 --- a/drivers/md/faulty.c +++ b/drivers/md/faulty.c @@ -315,8 +315,11 @@ static int run(struct mddev *mddev) } conf->nfaults = 0; - rdev_for_each(rdev, mddev) + rdev_for_each(rdev, mddev) { conf->rdev = rdev; + disk_stack_limits(mddev->gendisk, rdev->bdev, + rdev->data_offset << 9); + } md_set_array_sectors(mddev, faulty_size(mddev, 0, 0)); mddev->private = conf; diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index 8034fbd6190c..636bae0405e8 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -2710,7 +2710,7 @@ static struct r1conf *setup_conf(struct mddev *mddev) || disk_idx < 0) continue; if (test_bit(Replacement, &rdev->flags)) - disk = conf->mirrors + conf->raid_disks + disk_idx; + disk = conf->mirrors + mddev->raid_disks + disk_idx; else disk = conf->mirrors + disk_idx; diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 906ccbd0f7dc..d1295aff4173 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -1783,7 +1783,7 @@ static int raid10_add_disk(struct mddev *mddev, struct md_rdev *rdev) clear_bit(Unmerged, &rdev->flags); } md_integrity_add_rdev(rdev, mddev); - if (blk_queue_discard(bdev_get_queue(rdev->bdev))) + if (mddev->queue && blk_queue_discard(bdev_get_queue(rdev->bdev))) queue_flag_set_unlocked(QUEUE_FLAG_DISCARD, mddev->queue); print_conf(conf); @@ -3613,11 +3613,14 @@ static int run(struct mddev *mddev) discard_supported = true; } - if (discard_supported) - queue_flag_set_unlocked(QUEUE_FLAG_DISCARD, mddev->queue); - else - queue_flag_clear_unlocked(QUEUE_FLAG_DISCARD, mddev->queue); - + if (mddev->queue) { + if (discard_supported) + queue_flag_set_unlocked(QUEUE_FLAG_DISCARD, + mddev->queue); + else + queue_flag_clear_unlocked(QUEUE_FLAG_DISCARD, + mddev->queue); + } /* need to check that every block has at least one working mirror */ if (!enough(conf, -1)) { printk(KERN_ERR "md/raid10:%s: not enough operational mirrors.\n", @@ -75,6 +75,7 @@ static struct kmem_cache *bio_find_or_create_slab(unsigned int extra_size) unsigned int sz = sizeof(struct bio) + extra_size; struct kmem_cache *slab = NULL; struct bio_slab *bslab, *new_bio_slabs; + unsigned int new_bio_slab_max; unsigned int i, entry = -1; mutex_lock(&bio_slab_lock); @@ -97,12 +98,13 @@ static struct kmem_cache *bio_find_or_create_slab(unsigned int extra_size) goto out_unlock; if (bio_slab_nr == bio_slab_max && entry == -1) { - bio_slab_max <<= 1; + new_bio_slab_max = bio_slab_max << 1; new_bio_slabs = krealloc(bio_slabs, - bio_slab_max * sizeof(struct bio_slab), + new_bio_slab_max * sizeof(struct bio_slab), GFP_KERNEL); if (!new_bio_slabs) goto out_unlock; + bio_slab_max = new_bio_slab_max; bio_slabs = new_bio_slabs; } if (entry == -1) diff --git a/fs/ceph/export.c b/fs/ceph/export.c index 02ce90972d81..9349bb37a2fe 100644 --- a/fs/ceph/export.c +++ b/fs/ceph/export.c @@ -90,6 +90,8 @@ static int ceph_encode_fh(struct inode *inode, u32 *rawfh, int *max_len, *max_len = handle_length; type = 255; } + if (dentry) + dput(dentry); return type; } diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c index 4facdd29a350..3a100e7a62a8 100644 --- a/fs/ext4/ialloc.c +++ b/fs/ext4/ialloc.c @@ -725,6 +725,10 @@ repeat_in_this_group: "inode=%lu", ino + 1); continue; } + BUFFER_TRACE(inode_bitmap_bh, "get_write_access"); + err = ext4_journal_get_write_access(handle, inode_bitmap_bh); + if (err) + goto fail; ext4_lock_group(sb, group); ret2 = ext4_test_and_set_bit(ino, inode_bitmap_bh->b_data); ext4_unlock_group(sb, group); @@ -738,6 +742,11 @@ repeat_in_this_group: goto out; got: + BUFFER_TRACE(inode_bitmap_bh, "call ext4_handle_dirty_metadata"); + err = ext4_handle_dirty_metadata(handle, NULL, inode_bitmap_bh); + if (err) + goto fail; + /* We may have to initialize the block bitmap if it isn't already */ if (ext4_has_group_desc_csum(sb) && gdp->bg_flags & cpu_to_le16(EXT4_BG_BLOCK_UNINIT)) { @@ -771,11 +780,6 @@ got: goto fail; } - BUFFER_TRACE(inode_bitmap_bh, "get_write_access"); - err = ext4_journal_get_write_access(handle, inode_bitmap_bh); - if (err) - goto fail; - BUFFER_TRACE(group_desc_bh, "get_write_access"); err = ext4_journal_get_write_access(handle, group_desc_bh); if (err) @@ -823,11 +827,6 @@ got: } ext4_unlock_group(sb, group); - BUFFER_TRACE(inode_bitmap_bh, "call ext4_handle_dirty_metadata"); - err = ext4_handle_dirty_metadata(handle, NULL, inode_bitmap_bh); - if (err) - goto fail; - BUFFER_TRACE(group_desc_bh, "call ext4_handle_dirty_metadata"); err = ext4_handle_dirty_metadata(handle, NULL, group_desc_bh); if (err) diff --git a/fs/file.c b/fs/file.c index d3b5fa80b71b..708d997a7748 100644 --- a/fs/file.c +++ b/fs/file.c @@ -900,7 +900,7 @@ int replace_fd(unsigned fd, struct file *file, unsigned flags) return __close_fd(files, fd); if (fd >= rlimit(RLIMIT_NOFILE)) - return -EMFILE; + return -EBADF; spin_lock(&files->file_lock); err = expand_files(files, fd); @@ -926,7 +926,7 @@ SYSCALL_DEFINE3(dup3, unsigned int, oldfd, unsigned int, newfd, int, flags) return -EINVAL; if (newfd >= rlimit(RLIMIT_NOFILE)) - return -EMFILE; + return -EBADF; spin_lock(&files->file_lock); err = expand_files(files, newfd); diff --git a/include/linux/raid/Kbuild b/include/linux/raid/Kbuild index 2415a64c5e51..e69de29bb2d1 100644 --- a/include/linux/raid/Kbuild +++ b/include/linux/raid/Kbuild @@ -1,2 +0,0 @@ -header-y += md_p.h -header-y += md_u.h diff --git a/include/linux/raid/md_u.h b/include/linux/raid/md_u.h index fb1abb3367e9..358c04bfbe2a 100644 --- a/include/linux/raid/md_u.h +++ b/include/linux/raid/md_u.h @@ -11,149 +11,10 @@ (for example /usr/src/linux/COPYING); if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ - #ifndef _MD_U_H #define _MD_U_H -/* - * Different major versions are not compatible. - * Different minor versions are only downward compatible. - * Different patchlevel versions are downward and upward compatible. - */ -#define MD_MAJOR_VERSION 0 -#define MD_MINOR_VERSION 90 -/* - * MD_PATCHLEVEL_VERSION indicates kernel functionality. - * >=1 means different superblock formats are selectable using SET_ARRAY_INFO - * and major_version/minor_version accordingly - * >=2 means that Internal bitmaps are supported by setting MD_SB_BITMAP_PRESENT - * in the super status byte - * >=3 means that bitmap superblock version 4 is supported, which uses - * little-ending representation rather than host-endian - */ -#define MD_PATCHLEVEL_VERSION 3 - -/* ioctls */ - -/* status */ -#define RAID_VERSION _IOR (MD_MAJOR, 0x10, mdu_version_t) -#define GET_ARRAY_INFO _IOR (MD_MAJOR, 0x11, mdu_array_info_t) -#define GET_DISK_INFO _IOR (MD_MAJOR, 0x12, mdu_disk_info_t) -#define PRINT_RAID_DEBUG _IO (MD_MAJOR, 0x13) -#define RAID_AUTORUN _IO (MD_MAJOR, 0x14) -#define GET_BITMAP_FILE _IOR (MD_MAJOR, 0x15, mdu_bitmap_file_t) - -/* configuration */ -#define CLEAR_ARRAY _IO (MD_MAJOR, 0x20) -#define ADD_NEW_DISK _IOW (MD_MAJOR, 0x21, mdu_disk_info_t) -#define HOT_REMOVE_DISK _IO (MD_MAJOR, 0x22) -#define SET_ARRAY_INFO _IOW (MD_MAJOR, 0x23, mdu_array_info_t) -#define SET_DISK_INFO _IO (MD_MAJOR, 0x24) -#define WRITE_RAID_INFO _IO (MD_MAJOR, 0x25) -#define UNPROTECT_ARRAY _IO (MD_MAJOR, 0x26) -#define PROTECT_ARRAY _IO (MD_MAJOR, 0x27) -#define HOT_ADD_DISK _IO (MD_MAJOR, 0x28) -#define SET_DISK_FAULTY _IO (MD_MAJOR, 0x29) -#define HOT_GENERATE_ERROR _IO (MD_MAJOR, 0x2a) -#define SET_BITMAP_FILE _IOW (MD_MAJOR, 0x2b, int) +#include <uapi/linux/raid/md_u.h> -/* usage */ -#define RUN_ARRAY _IOW (MD_MAJOR, 0x30, mdu_param_t) -/* 0x31 was START_ARRAY */ -#define STOP_ARRAY _IO (MD_MAJOR, 0x32) -#define STOP_ARRAY_RO _IO (MD_MAJOR, 0x33) -#define RESTART_ARRAY_RW _IO (MD_MAJOR, 0x34) - -/* 63 partitions with the alternate major number (mdp) */ -#define MdpMinorShift 6 -#ifdef __KERNEL__ extern int mdp_major; -#endif - -typedef struct mdu_version_s { - int major; - int minor; - int patchlevel; -} mdu_version_t; - -typedef struct mdu_array_info_s { - /* - * Generic constant information - */ - int major_version; - int minor_version; - int patch_version; - int ctime; - int level; - int size; - int nr_disks; - int raid_disks; - int md_minor; - int not_persistent; - - /* - * Generic state information - */ - int utime; /* 0 Superblock update time */ - int state; /* 1 State bits (clean, ...) */ - int active_disks; /* 2 Number of currently active disks */ - int working_disks; /* 3 Number of working disks */ - int failed_disks; /* 4 Number of failed disks */ - int spare_disks; /* 5 Number of spare disks */ - - /* - * Personality information - */ - int layout; /* 0 the array's physical layout */ - int chunk_size; /* 1 chunk size in bytes */ - -} mdu_array_info_t; - -/* non-obvious values for 'level' */ -#define LEVEL_MULTIPATH (-4) -#define LEVEL_LINEAR (-1) -#define LEVEL_FAULTY (-5) - -/* we need a value for 'no level specified' and 0 - * means 'raid0', so we need something else. This is - * for internal use only - */ -#define LEVEL_NONE (-1000000) - -typedef struct mdu_disk_info_s { - /* - * configuration/status of one particular disk - */ - int number; - int major; - int minor; - int raid_disk; - int state; - -} mdu_disk_info_t; - -typedef struct mdu_start_info_s { - /* - * configuration/status of one particular disk - */ - int major; - int minor; - int raid_disk; - int state; - -} mdu_start_info_t; - -typedef struct mdu_bitmap_file_s -{ - char pathname[4096]; -} mdu_bitmap_file_t; - -typedef struct mdu_param_s -{ - int personality; /* 1,2,3,4 */ - int chunk_size; /* in bytes */ - int max_fault; /* unused for now */ -} mdu_param_t; - #endif - diff --git a/include/sound/core.h b/include/sound/core.h index bc056687f647..93896ad1fcdd 100644 --- a/include/sound/core.h +++ b/include/sound/core.h @@ -132,6 +132,7 @@ struct snd_card { int shutdown; /* this card is going down */ int free_on_last_close; /* free in context of file_release */ wait_queue_head_t shutdown_sleep; + atomic_t refcount; /* refcount for disconnection */ struct device *dev; /* device assigned to this card */ struct device *card_dev; /* cardX object for sysfs */ @@ -189,6 +190,7 @@ struct snd_minor { const struct file_operations *f_ops; /* file operations */ void *private_data; /* private data for f_ops->open */ struct device *dev; /* device for sysfs */ + struct snd_card *card_ptr; /* assigned card instance */ }; /* return a device pointer linked to each sound device as a parent */ @@ -295,6 +297,7 @@ int snd_card_info_done(void); int snd_component_add(struct snd_card *card, const char *component); int snd_card_file_add(struct snd_card *card, struct file *file); int snd_card_file_remove(struct snd_card *card, struct file *file); +void snd_card_unref(struct snd_card *card); #define snd_card_set_dev(card, devptr) ((card)->dev = (devptr)) diff --git a/include/uapi/linux/raid/Kbuild b/include/uapi/linux/raid/Kbuild index aafaa5aa54d4..e2c3d25405d7 100644 --- a/include/uapi/linux/raid/Kbuild +++ b/include/uapi/linux/raid/Kbuild @@ -1 +1,3 @@ # UAPI Header export list +header-y += md_p.h +header-y += md_u.h diff --git a/include/linux/raid/md_p.h b/include/uapi/linux/raid/md_p.h index ee753536ab70..ee753536ab70 100644 --- a/include/linux/raid/md_p.h +++ b/include/uapi/linux/raid/md_p.h diff --git a/include/uapi/linux/raid/md_u.h b/include/uapi/linux/raid/md_u.h new file mode 100644 index 000000000000..4133e744e4e6 --- /dev/null +++ b/include/uapi/linux/raid/md_u.h @@ -0,0 +1,155 @@ +/* + md_u.h : user <=> kernel API between Linux raidtools and RAID drivers + Copyright (C) 1998 Ingo Molnar + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2, or (at your option) + any later version. + + You should have received a copy of the GNU General Public License + (for example /usr/src/linux/COPYING); if not, write to the Free + Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +#ifndef _UAPI_MD_U_H +#define _UAPI_MD_U_H + +/* + * Different major versions are not compatible. + * Different minor versions are only downward compatible. + * Different patchlevel versions are downward and upward compatible. + */ +#define MD_MAJOR_VERSION 0 +#define MD_MINOR_VERSION 90 +/* + * MD_PATCHLEVEL_VERSION indicates kernel functionality. + * >=1 means different superblock formats are selectable using SET_ARRAY_INFO + * and major_version/minor_version accordingly + * >=2 means that Internal bitmaps are supported by setting MD_SB_BITMAP_PRESENT + * in the super status byte + * >=3 means that bitmap superblock version 4 is supported, which uses + * little-ending representation rather than host-endian + */ +#define MD_PATCHLEVEL_VERSION 3 + +/* ioctls */ + +/* status */ +#define RAID_VERSION _IOR (MD_MAJOR, 0x10, mdu_version_t) +#define GET_ARRAY_INFO _IOR (MD_MAJOR, 0x11, mdu_array_info_t) +#define GET_DISK_INFO _IOR (MD_MAJOR, 0x12, mdu_disk_info_t) +#define PRINT_RAID_DEBUG _IO (MD_MAJOR, 0x13) +#define RAID_AUTORUN _IO (MD_MAJOR, 0x14) +#define GET_BITMAP_FILE _IOR (MD_MAJOR, 0x15, mdu_bitmap_file_t) + +/* configuration */ +#define CLEAR_ARRAY _IO (MD_MAJOR, 0x20) +#define ADD_NEW_DISK _IOW (MD_MAJOR, 0x21, mdu_disk_info_t) +#define HOT_REMOVE_DISK _IO (MD_MAJOR, 0x22) +#define SET_ARRAY_INFO _IOW (MD_MAJOR, 0x23, mdu_array_info_t) +#define SET_DISK_INFO _IO (MD_MAJOR, 0x24) +#define WRITE_RAID_INFO _IO (MD_MAJOR, 0x25) +#define UNPROTECT_ARRAY _IO (MD_MAJOR, 0x26) +#define PROTECT_ARRAY _IO (MD_MAJOR, 0x27) +#define HOT_ADD_DISK _IO (MD_MAJOR, 0x28) +#define SET_DISK_FAULTY _IO (MD_MAJOR, 0x29) +#define HOT_GENERATE_ERROR _IO (MD_MAJOR, 0x2a) +#define SET_BITMAP_FILE _IOW (MD_MAJOR, 0x2b, int) + +/* usage */ +#define RUN_ARRAY _IOW (MD_MAJOR, 0x30, mdu_param_t) +/* 0x31 was START_ARRAY */ +#define STOP_ARRAY _IO (MD_MAJOR, 0x32) +#define STOP_ARRAY_RO _IO (MD_MAJOR, 0x33) +#define RESTART_ARRAY_RW _IO (MD_MAJOR, 0x34) + +/* 63 partitions with the alternate major number (mdp) */ +#define MdpMinorShift 6 + +typedef struct mdu_version_s { + int major; + int minor; + int patchlevel; +} mdu_version_t; + +typedef struct mdu_array_info_s { + /* + * Generic constant information + */ + int major_version; + int minor_version; + int patch_version; + int ctime; + int level; + int size; + int nr_disks; + int raid_disks; + int md_minor; + int not_persistent; + + /* + * Generic state information + */ + int utime; /* 0 Superblock update time */ + int state; /* 1 State bits (clean, ...) */ + int active_disks; /* 2 Number of currently active disks */ + int working_disks; /* 3 Number of working disks */ + int failed_disks; /* 4 Number of failed disks */ + int spare_disks; /* 5 Number of spare disks */ + + /* + * Personality information + */ + int layout; /* 0 the array's physical layout */ + int chunk_size; /* 1 chunk size in bytes */ + +} mdu_array_info_t; + +/* non-obvious values for 'level' */ +#define LEVEL_MULTIPATH (-4) +#define LEVEL_LINEAR (-1) +#define LEVEL_FAULTY (-5) + +/* we need a value for 'no level specified' and 0 + * means 'raid0', so we need something else. This is + * for internal use only + */ +#define LEVEL_NONE (-1000000) + +typedef struct mdu_disk_info_s { + /* + * configuration/status of one particular disk + */ + int number; + int major; + int minor; + int raid_disk; + int state; + +} mdu_disk_info_t; + +typedef struct mdu_start_info_s { + /* + * configuration/status of one particular disk + */ + int major; + int minor; + int raid_disk; + int state; + +} mdu_start_info_t; + +typedef struct mdu_bitmap_file_s +{ + char pathname[4096]; +} mdu_bitmap_file_t; + +typedef struct mdu_param_s +{ + int personality; /* 1,2,3,4 */ + int chunk_size; /* in bytes */ + int max_fault; /* unused for now */ +} mdu_param_t; + +#endif /* _UAPI_MD_U_H */ diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c index 159aa8bef9e7..3ef1759403b4 100644 --- a/net/ceph/messenger.c +++ b/net/ceph/messenger.c @@ -2300,10 +2300,11 @@ restart: mutex_unlock(&con->mutex); return; } else { - con->ops->put(con); dout("con_work %p FAILED to back off %lu\n", con, con->delay); + set_bit(CON_FLAG_BACKOFF, &con->flags); } + goto done; } if (con->state == CON_STATE_STANDBY) { @@ -2749,7 +2750,8 @@ static int ceph_con_in_msg_alloc(struct ceph_connection *con, int *skip) msg = con->ops->alloc_msg(con, hdr, skip); mutex_lock(&con->mutex); if (con->state != CON_STATE_OPEN) { - ceph_msg_put(msg); + if (msg) + ceph_msg_put(msg); return -EAGAIN; } con->in_msg = msg; diff --git a/sound/core/compress_offload.c b/sound/core/compress_offload.c index c40ae573346d..ad11dc994792 100644 --- a/sound/core/compress_offload.c +++ b/sound/core/compress_offload.c @@ -100,12 +100,15 @@ static int snd_compr_open(struct inode *inode, struct file *f) if (dirn != compr->direction) { pr_err("this device doesn't support this direction\n"); + snd_card_unref(compr->card); return -EINVAL; } data = kzalloc(sizeof(*data), GFP_KERNEL); - if (!data) + if (!data) { + snd_card_unref(compr->card); return -ENOMEM; + } data->stream.ops = compr->ops; data->stream.direction = dirn; data->stream.private_data = compr->private_data; @@ -113,6 +116,7 @@ static int snd_compr_open(struct inode *inode, struct file *f) runtime = kzalloc(sizeof(*runtime), GFP_KERNEL); if (!runtime) { kfree(data); + snd_card_unref(compr->card); return -ENOMEM; } runtime->state = SNDRV_PCM_STATE_OPEN; @@ -126,7 +130,8 @@ static int snd_compr_open(struct inode *inode, struct file *f) kfree(runtime); kfree(data); } - return ret; + snd_card_unref(compr->card); + return 0; } static int snd_compr_free(struct inode *inode, struct file *f) diff --git a/sound/core/control.c b/sound/core/control.c index 7e86a5b9f3b5..8c7c2c9bba61 100644 --- a/sound/core/control.c +++ b/sound/core/control.c @@ -86,6 +86,7 @@ static int snd_ctl_open(struct inode *inode, struct file *file) write_lock_irqsave(&card->ctl_files_rwlock, flags); list_add_tail(&ctl->list, &card->ctl_files); write_unlock_irqrestore(&card->ctl_files_rwlock, flags); + snd_card_unref(card); return 0; __error: @@ -93,6 +94,8 @@ static int snd_ctl_open(struct inode *inode, struct file *file) __error2: snd_card_file_remove(card, file); __error1: + if (card) + snd_card_unref(card); return err; } @@ -1434,6 +1437,8 @@ static ssize_t snd_ctl_read(struct file *file, char __user *buffer, spin_unlock_irq(&ctl->read_lock); schedule(); remove_wait_queue(&ctl->change_sleep, &wait); + if (ctl->card->shutdown) + return -ENODEV; if (signal_pending(current)) return -ERESTARTSYS; spin_lock_irq(&ctl->read_lock); diff --git a/sound/core/hwdep.c b/sound/core/hwdep.c index 75ea16f35b1a..3f7f6628cf7b 100644 --- a/sound/core/hwdep.c +++ b/sound/core/hwdep.c @@ -100,8 +100,10 @@ static int snd_hwdep_open(struct inode *inode, struct file * file) if (hw == NULL) return -ENODEV; - if (!try_module_get(hw->card->module)) + if (!try_module_get(hw->card->module)) { + snd_card_unref(hw->card); return -EFAULT; + } init_waitqueue_entry(&wait, current); add_wait_queue(&hw->open_wait, &wait); @@ -129,6 +131,10 @@ static int snd_hwdep_open(struct inode *inode, struct file * file) mutex_unlock(&hw->open_mutex); schedule(); mutex_lock(&hw->open_mutex); + if (hw->card->shutdown) { + err = -ENODEV; + break; + } if (signal_pending(current)) { err = -ERESTARTSYS; break; @@ -148,6 +154,7 @@ static int snd_hwdep_open(struct inode *inode, struct file * file) mutex_unlock(&hw->open_mutex); if (err < 0) module_put(hw->card->module); + snd_card_unref(hw->card); return err; } @@ -459,12 +466,15 @@ static int snd_hwdep_dev_disconnect(struct snd_device *device) mutex_unlock(®ister_mutex); return -EINVAL; } + mutex_lock(&hwdep->open_mutex); + wake_up(&hwdep->open_wait); #ifdef CONFIG_SND_OSSEMUL if (hwdep->ossreg) snd_unregister_oss_device(hwdep->oss_type, hwdep->card, hwdep->device); #endif snd_unregister_device(SNDRV_DEVICE_TYPE_HWDEP, hwdep->card, hwdep->device); list_del_init(&hwdep->list); + mutex_unlock(&hwdep->open_mutex); mutex_unlock(®ister_mutex); return 0; } diff --git a/sound/core/init.c b/sound/core/init.c index d8ec849af128..7b012d15c2cf 100644 --- a/sound/core/init.c +++ b/sound/core/init.c @@ -213,6 +213,7 @@ int snd_card_create(int idx, const char *xid, spin_lock_init(&card->files_lock); INIT_LIST_HEAD(&card->files_list); init_waitqueue_head(&card->shutdown_sleep); + atomic_set(&card->refcount, 0); #ifdef CONFIG_PM mutex_init(&card->power_lock); init_waitqueue_head(&card->power_sleep); @@ -446,21 +447,36 @@ static int snd_card_do_free(struct snd_card *card) return 0; } +/** + * snd_card_unref - release the reference counter + * @card: the card instance + * + * Decrements the reference counter. When it reaches to zero, wake up + * the sleeper and call the destructor if needed. + */ +void snd_card_unref(struct snd_card *card) +{ + if (atomic_dec_and_test(&card->refcount)) { + wake_up(&card->shutdown_sleep); + if (card->free_on_last_close) + snd_card_do_free(card); + } +} +EXPORT_SYMBOL(snd_card_unref); + int snd_card_free_when_closed(struct snd_card *card) { - int free_now = 0; - int ret = snd_card_disconnect(card); - if (ret) - return ret; + int ret; - spin_lock(&card->files_lock); - if (list_empty(&card->files_list)) - free_now = 1; - else - card->free_on_last_close = 1; - spin_unlock(&card->files_lock); + atomic_inc(&card->refcount); + ret = snd_card_disconnect(card); + if (ret) { + atomic_dec(&card->refcount); + return ret; + } - if (free_now) + card->free_on_last_close = 1; + if (atomic_dec_and_test(&card->refcount)) snd_card_do_free(card); return 0; } @@ -474,7 +490,7 @@ int snd_card_free(struct snd_card *card) return ret; /* wait, until all devices are ready for the free operation */ - wait_event(card->shutdown_sleep, list_empty(&card->files_list)); + wait_event(card->shutdown_sleep, !atomic_read(&card->refcount)); snd_card_do_free(card); return 0; } @@ -886,6 +902,7 @@ int snd_card_file_add(struct snd_card *card, struct file *file) return -ENODEV; } list_add(&mfile->list, &card->files_list); + atomic_inc(&card->refcount); spin_unlock(&card->files_lock); return 0; } @@ -908,7 +925,6 @@ EXPORT_SYMBOL(snd_card_file_add); int snd_card_file_remove(struct snd_card *card, struct file *file) { struct snd_monitor_file *mfile, *found = NULL; - int last_close = 0; spin_lock(&card->files_lock); list_for_each_entry(mfile, &card->files_list, list) { @@ -923,19 +939,13 @@ int snd_card_file_remove(struct snd_card *card, struct file *file) break; } } - if (list_empty(&card->files_list)) - last_close = 1; spin_unlock(&card->files_lock); - if (last_close) { - wake_up(&card->shutdown_sleep); - if (card->free_on_last_close) - snd_card_do_free(card); - } if (!found) { snd_printk(KERN_ERR "ALSA card file remove problem (%p)\n", file); return -ENOENT; } kfree(found); + snd_card_unref(card); return 0; } diff --git a/sound/core/oss/mixer_oss.c b/sound/core/oss/mixer_oss.c index 29f6ded02555..a9a2e63c0222 100644 --- a/sound/core/oss/mixer_oss.c +++ b/sound/core/oss/mixer_oss.c @@ -52,14 +52,19 @@ static int snd_mixer_oss_open(struct inode *inode, struct file *file) SNDRV_OSS_DEVICE_TYPE_MIXER); if (card == NULL) return -ENODEV; - if (card->mixer_oss == NULL) + if (card->mixer_oss == NULL) { + snd_card_unref(card); return -ENODEV; + } err = snd_card_file_add(card, file); - if (err < 0) + if (err < 0) { + snd_card_unref(card); return err; + } fmixer = kzalloc(sizeof(*fmixer), GFP_KERNEL); if (fmixer == NULL) { snd_card_file_remove(card, file); + snd_card_unref(card); return -ENOMEM; } fmixer->card = card; @@ -68,6 +73,7 @@ static int snd_mixer_oss_open(struct inode *inode, struct file *file) if (!try_module_get(card->module)) { kfree(fmixer); snd_card_file_remove(card, file); + snd_card_unref(card); return -EFAULT; } return 0; diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c index 08fde0060fd9..f337b66a020b 100644 --- a/sound/core/oss/pcm_oss.c +++ b/sound/core/oss/pcm_oss.c @@ -2441,6 +2441,10 @@ static int snd_pcm_oss_open(struct inode *inode, struct file *file) mutex_unlock(&pcm->open_mutex); schedule(); mutex_lock(&pcm->open_mutex); + if (pcm->card->shutdown) { + err = -ENODEV; + break; + } if (signal_pending(current)) { err = -ERESTARTSYS; break; @@ -2457,6 +2461,8 @@ static int snd_pcm_oss_open(struct inode *inode, struct file *file) __error2: snd_card_file_remove(pcm->card, file); __error1: + if (pcm) + snd_card_unref(pcm->card); return err; } diff --git a/sound/core/pcm.c b/sound/core/pcm.c index f2991940b271..030102caeee9 100644 --- a/sound/core/pcm.c +++ b/sound/core/pcm.c @@ -1086,11 +1086,19 @@ static int snd_pcm_dev_disconnect(struct snd_device *device) if (list_empty(&pcm->list)) goto unlock; + mutex_lock(&pcm->open_mutex); + wake_up(&pcm->open_wait); list_del_init(&pcm->list); for (cidx = 0; cidx < 2; cidx++) - for (substream = pcm->streams[cidx].substream; substream; substream = substream->next) - if (substream->runtime) + for (substream = pcm->streams[cidx].substream; substream; substream = substream->next) { + snd_pcm_stream_lock_irq(substream); + if (substream->runtime) { substream->runtime->status->state = SNDRV_PCM_STATE_DISCONNECTED; + wake_up(&substream->runtime->sleep); + wake_up(&substream->runtime->tsleep); + } + snd_pcm_stream_unlock_irq(substream); + } list_for_each_entry(notify, &snd_pcm_notify_list, list) { notify->n_disconnect(pcm); } @@ -1110,6 +1118,7 @@ static int snd_pcm_dev_disconnect(struct snd_device *device) pcm->streams[cidx].chmap_kctl = NULL; } } + mutex_unlock(&pcm->open_mutex); unlock: mutex_unlock(®ister_mutex); return 0; diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c index 5e12e5bacbba..6e8872de5ba0 100644 --- a/sound/core/pcm_native.c +++ b/sound/core/pcm_native.c @@ -369,6 +369,14 @@ static int period_to_usecs(struct snd_pcm_runtime *runtime) return usecs; } +static void snd_pcm_set_state(struct snd_pcm_substream *substream, int state) +{ + snd_pcm_stream_lock_irq(substream); + if (substream->runtime->status->state != SNDRV_PCM_STATE_DISCONNECTED) + substream->runtime->status->state = state; + snd_pcm_stream_unlock_irq(substream); +} + static int snd_pcm_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params) { @@ -452,7 +460,7 @@ static int snd_pcm_hw_params(struct snd_pcm_substream *substream, runtime->boundary *= 2; snd_pcm_timer_resolution_change(substream); - runtime->status->state = SNDRV_PCM_STATE_SETUP; + snd_pcm_set_state(substream, SNDRV_PCM_STATE_SETUP); if (pm_qos_request_active(&substream->latency_pm_qos_req)) pm_qos_remove_request(&substream->latency_pm_qos_req); @@ -464,7 +472,7 @@ static int snd_pcm_hw_params(struct snd_pcm_substream *substream, /* hardware might be unusable from this time, so we force application to retry to set the correct hardware parameter settings */ - runtime->status->state = SNDRV_PCM_STATE_OPEN; + snd_pcm_set_state(substream, SNDRV_PCM_STATE_OPEN); if (substream->ops->hw_free != NULL) substream->ops->hw_free(substream); return err; @@ -512,7 +520,7 @@ static int snd_pcm_hw_free(struct snd_pcm_substream *substream) return -EBADFD; if (substream->ops->hw_free) result = substream->ops->hw_free(substream); - runtime->status->state = SNDRV_PCM_STATE_OPEN; + snd_pcm_set_state(substream, SNDRV_PCM_STATE_OPEN); pm_qos_remove_request(&substream->latency_pm_qos_req); return result; } @@ -1320,7 +1328,7 @@ static void snd_pcm_post_prepare(struct snd_pcm_substream *substream, int state) { struct snd_pcm_runtime *runtime = substream->runtime; runtime->control->appl_ptr = runtime->status->hw_ptr; - runtime->status->state = SNDRV_PCM_STATE_PREPARED; + snd_pcm_set_state(substream, SNDRV_PCM_STATE_PREPARED); } static struct action_ops snd_pcm_action_prepare = { @@ -1510,6 +1518,10 @@ static int snd_pcm_drain(struct snd_pcm_substream *substream, down_read(&snd_pcm_link_rwsem); snd_pcm_stream_lock_irq(substream); remove_wait_queue(&to_check->sleep, &wait); + if (card->shutdown) { + result = -ENODEV; + break; + } if (tout == 0) { if (substream->runtime->status->state == SNDRV_PCM_STATE_SUSPENDED) result = -ESTRPIPE; @@ -1634,6 +1646,7 @@ static int snd_pcm_link(struct snd_pcm_substream *substream, int fd) write_unlock_irq(&snd_pcm_link_rwlock); up_write(&snd_pcm_link_rwsem); _nolock: + snd_card_unref(substream1->pcm->card); fput_light(file, fput_needed); if (res < 0) kfree(group); @@ -2108,7 +2121,9 @@ static int snd_pcm_playback_open(struct inode *inode, struct file *file) return err; pcm = snd_lookup_minor_data(iminor(inode), SNDRV_DEVICE_TYPE_PCM_PLAYBACK); - return snd_pcm_open(file, pcm, SNDRV_PCM_STREAM_PLAYBACK); + err = snd_pcm_open(file, pcm, SNDRV_PCM_STREAM_PLAYBACK); + snd_card_unref(pcm->card); + return err; } static int snd_pcm_capture_open(struct inode *inode, struct file *file) @@ -2119,7 +2134,9 @@ static int snd_pcm_capture_open(struct inode *inode, struct file *file) return err; pcm = snd_lookup_minor_data(iminor(inode), SNDRV_DEVICE_TYPE_PCM_CAPTURE); - return snd_pcm_open(file, pcm, SNDRV_PCM_STREAM_CAPTURE); + err = snd_pcm_open(file, pcm, SNDRV_PCM_STREAM_CAPTURE); + snd_card_unref(pcm->card); + return err; } static int snd_pcm_open(struct file *file, struct snd_pcm *pcm, int stream) @@ -2156,6 +2173,10 @@ static int snd_pcm_open(struct file *file, struct snd_pcm *pcm, int stream) mutex_unlock(&pcm->open_mutex); schedule(); mutex_lock(&pcm->open_mutex); + if (pcm->card->shutdown) { + err = -ENODEV; + break; + } if (signal_pending(current)) { err = -ERESTARTSYS; break; diff --git a/sound/core/rawmidi.c b/sound/core/rawmidi.c index ebf6e49ad3d4..1bb95aeea084 100644 --- a/sound/core/rawmidi.c +++ b/sound/core/rawmidi.c @@ -379,8 +379,10 @@ static int snd_rawmidi_open(struct inode *inode, struct file *file) if (rmidi == NULL) return -ENODEV; - if (!try_module_get(rmidi->card->module)) + if (!try_module_get(rmidi->card->module)) { + snd_card_unref(rmidi->card); return -ENXIO; + } mutex_lock(&rmidi->open_mutex); card = rmidi->card; @@ -422,6 +424,10 @@ static int snd_rawmidi_open(struct inode *inode, struct file *file) mutex_unlock(&rmidi->open_mutex); schedule(); mutex_lock(&rmidi->open_mutex); + if (rmidi->card->shutdown) { + err = -ENODEV; + break; + } if (signal_pending(current)) { err = -ERESTARTSYS; break; @@ -440,6 +446,7 @@ static int snd_rawmidi_open(struct inode *inode, struct file *file) #endif file->private_data = rawmidi_file; mutex_unlock(&rmidi->open_mutex); + snd_card_unref(rmidi->card); return 0; __error: @@ -447,6 +454,7 @@ static int snd_rawmidi_open(struct inode *inode, struct file *file) __error_card: mutex_unlock(&rmidi->open_mutex); module_put(rmidi->card->module); + snd_card_unref(rmidi->card); return err; } @@ -991,6 +999,8 @@ static ssize_t snd_rawmidi_read(struct file *file, char __user *buf, size_t coun spin_unlock_irq(&runtime->lock); schedule(); remove_wait_queue(&runtime->sleep, &wait); + if (rfile->rmidi->card->shutdown) + return -ENODEV; if (signal_pending(current)) return result > 0 ? result : -ERESTARTSYS; if (!runtime->avail) @@ -1234,6 +1244,8 @@ static ssize_t snd_rawmidi_write(struct file *file, const char __user *buf, spin_unlock_irq(&runtime->lock); timeout = schedule_timeout(30 * HZ); remove_wait_queue(&runtime->sleep, &wait); + if (rfile->rmidi->card->shutdown) + return -ENODEV; if (signal_pending(current)) return result > 0 ? result : -ERESTARTSYS; if (!runtime->avail && !timeout) @@ -1609,9 +1621,20 @@ static int snd_rawmidi_dev_register(struct snd_device *device) static int snd_rawmidi_dev_disconnect(struct snd_device *device) { struct snd_rawmidi *rmidi = device->device_data; + int dir; mutex_lock(®ister_mutex); + mutex_lock(&rmidi->open_mutex); + wake_up(&rmidi->open_wait); list_del_init(&rmidi->list); + for (dir = 0; dir < 2; dir++) { + struct snd_rawmidi_substream *s; + list_for_each_entry(s, &rmidi->streams[dir].substreams, list) { + if (s->runtime) + wake_up(&s->runtime->sleep); + } + } + #ifdef CONFIG_SND_OSSEMUL if (rmidi->ossreg) { if ((int)rmidi->device == midi_map[rmidi->card->number]) { @@ -1626,6 +1649,7 @@ static int snd_rawmidi_dev_disconnect(struct snd_device *device) } #endif /* CONFIG_SND_OSSEMUL */ snd_unregister_device(SNDRV_DEVICE_TYPE_RAWMIDI, rmidi->card, rmidi->device); + mutex_unlock(&rmidi->open_mutex); mutex_unlock(®ister_mutex); return 0; } diff --git a/sound/core/sound.c b/sound/core/sound.c index 643976000ce8..89780c323f19 100644 --- a/sound/core/sound.c +++ b/sound/core/sound.c @@ -98,6 +98,10 @@ static void snd_request_other(int minor) * * Checks that a minor device with the specified type is registered, and returns * its user data pointer. + * + * This function increments the reference counter of the card instance + * if an associated instance with the given minor number and type is found. + * The caller must call snd_card_unref() appropriately later. */ void *snd_lookup_minor_data(unsigned int minor, int type) { @@ -108,9 +112,11 @@ void *snd_lookup_minor_data(unsigned int minor, int type) return NULL; mutex_lock(&sound_mutex); mreg = snd_minors[minor]; - if (mreg && mreg->type == type) + if (mreg && mreg->type == type) { private_data = mreg->private_data; - else + if (mreg->card_ptr) + atomic_inc(&mreg->card_ptr->refcount); + } else private_data = NULL; mutex_unlock(&sound_mutex); return private_data; @@ -275,6 +281,7 @@ int snd_register_device_for_dev(int type, struct snd_card *card, int dev, preg->device = dev; preg->f_ops = f_ops; preg->private_data = private_data; + preg->card_ptr = card; mutex_lock(&sound_mutex); #ifdef CONFIG_SND_DYNAMIC_MINORS minor = snd_find_free_minor(type); diff --git a/sound/core/sound_oss.c b/sound/core/sound_oss.c index e9528333e36d..e1d79ee35906 100644 --- a/sound/core/sound_oss.c +++ b/sound/core/sound_oss.c @@ -40,6 +40,9 @@ static struct snd_minor *snd_oss_minors[SNDRV_OSS_MINORS]; static DEFINE_MUTEX(sound_oss_mutex); +/* NOTE: This function increments the refcount of the associated card like + * snd_lookup_minor_data(); the caller must call snd_card_unref() appropriately + */ void *snd_lookup_oss_minor_data(unsigned int minor, int type) { struct snd_minor *mreg; @@ -49,9 +52,11 @@ void *snd_lookup_oss_minor_data(unsigned int minor, int type) return NULL; mutex_lock(&sound_oss_mutex); mreg = snd_oss_minors[minor]; - if (mreg && mreg->type == type) + if (mreg && mreg->type == type) { private_data = mreg->private_data; - else + if (mreg->card_ptr) + atomic_inc(&mreg->card_ptr->refcount); + } else private_data = NULL; mutex_unlock(&sound_oss_mutex); return private_data; @@ -123,6 +128,7 @@ int snd_register_oss_device(int type, struct snd_card *card, int dev, preg->device = dev; preg->f_ops = f_ops; preg->private_data = private_data; + preg->card_ptr = card; mutex_lock(&sound_oss_mutex); snd_oss_minors[minor] = preg; minor_unit = SNDRV_MINOR_OSS_DEVICE(minor); diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c index 770013ff556f..9ba8af056170 100644 --- a/sound/pci/hda/patch_sigmatel.c +++ b/sound/pci/hda/patch_sigmatel.c @@ -1763,6 +1763,8 @@ static const struct snd_pci_quirk stac92hd83xxx_cfg_tbl[] = { "HP", STAC_HP_ZEPHYR), SND_PCI_QUIRK(PCI_VENDOR_ID_HP, 0x3660, "HP Mini", STAC_92HD83XXX_HP_LED), + SND_PCI_QUIRK(PCI_VENDOR_ID_HP, 0x144E, + "HP Pavilion dv5", STAC_92HD83XXX_HP_INV_LED), {} /* terminator */ }; diff --git a/sound/pci/ice1712/ice1724.c b/sound/pci/ice1712/ice1724.c index 3050a5279253..245d874891ba 100644 --- a/sound/pci/ice1712/ice1724.c +++ b/sound/pci/ice1712/ice1724.c @@ -2859,7 +2859,12 @@ static int snd_vt1724_resume(struct device *dev) ice->set_spdif_clock(ice, 0); } else { /* internal on-card clock */ - snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 1); + int rate; + if (ice->cur_rate) + rate = ice->cur_rate; + else + rate = ice->pro_rate_default; + snd_vt1724_set_pro_rate(ice, rate, 1); } update_spdif_bits(ice, ice->pm_saved_spdif_ctrl); diff --git a/sound/soc/omap/omap-dmic.c b/sound/soc/omap/omap-dmic.c index 68f2cd1a9206..5a6aeaf552a8 100644 --- a/sound/soc/omap/omap-dmic.c +++ b/sound/soc/omap/omap-dmic.c @@ -464,9 +464,9 @@ static __devinit int asoc_dmic_probe(struct platform_device *pdev) mutex_init(&dmic->mutex); - dmic->fclk = clk_get(dmic->dev, "dmic_fck"); + dmic->fclk = clk_get(dmic->dev, "fck"); if (IS_ERR(dmic->fclk)) { - dev_err(dmic->dev, "cant get dmic_fck\n"); + dev_err(dmic->dev, "cant get fck\n"); return -ENODEV; } diff --git a/sound/soc/omap/zoom2.c b/sound/soc/omap/zoom2.c index 677b567935f8..1ff6bb9ade5c 100644 --- a/sound/soc/omap/zoom2.c +++ b/sound/soc/omap/zoom2.c @@ -21,15 +21,14 @@ #include <linux/clk.h> #include <linux/platform_device.h> +#include <linux/gpio.h> #include <sound/core.h> #include <sound/pcm.h> #include <sound/soc.h> #include <asm/mach-types.h> -#include <mach/hardware.h> -#include <mach/gpio.h> -#include <mach/board-zoom.h> #include <linux/platform_data/asoc-ti-mcbsp.h> +#include <linux/platform_data/gpio-omap.h> /* Register descriptions for twl4030 codec part */ #include <linux/mfd/twl4030-audio.h> diff --git a/sound/usb/card.c b/sound/usb/card.c index 561bb74fd364..282f0fc9fed1 100644 --- a/sound/usb/card.c +++ b/sound/usb/card.c @@ -339,7 +339,7 @@ static int snd_usb_audio_create(struct usb_device *dev, int idx, } mutex_init(&chip->mutex); - mutex_init(&chip->shutdown_mutex); + init_rwsem(&chip->shutdown_rwsem); chip->index = idx; chip->dev = dev; chip->card = card; @@ -560,7 +560,7 @@ static void snd_usb_audio_disconnect(struct usb_device *dev, card = chip->card; mutex_lock(®ister_mutex); - mutex_lock(&chip->shutdown_mutex); + down_write(&chip->shutdown_rwsem); chip->shutdown = 1; chip->num_interfaces--; if (chip->num_interfaces <= 0) { @@ -582,11 +582,11 @@ static void snd_usb_audio_disconnect(struct usb_device *dev, snd_usb_mixer_disconnect(p); } usb_chip[chip->index] = NULL; - mutex_unlock(&chip->shutdown_mutex); + up_write(&chip->shutdown_rwsem); mutex_unlock(®ister_mutex); snd_card_free_when_closed(card); } else { - mutex_unlock(&chip->shutdown_mutex); + up_write(&chip->shutdown_rwsem); mutex_unlock(®ister_mutex); } } @@ -618,16 +618,20 @@ int snd_usb_autoresume(struct snd_usb_audio *chip) { int err = -ENODEV; + down_read(&chip->shutdown_rwsem); if (!chip->shutdown && !chip->probing) err = usb_autopm_get_interface(chip->pm_intf); + up_read(&chip->shutdown_rwsem); return err; } void snd_usb_autosuspend(struct snd_usb_audio *chip) { + down_read(&chip->shutdown_rwsem); if (!chip->shutdown && !chip->probing) usb_autopm_put_interface(chip->pm_intf); + up_read(&chip->shutdown_rwsem); } static int usb_audio_suspend(struct usb_interface *intf, pm_message_t message) diff --git a/sound/usb/card.h b/sound/usb/card.h index afa4f9e9b27a..814cb357ff88 100644 --- a/sound/usb/card.h +++ b/sound/usb/card.h @@ -126,6 +126,7 @@ struct snd_usb_substream { struct snd_usb_endpoint *sync_endpoint; unsigned long flags; bool need_setup_ep; /* (re)configure EP at prepare? */ + unsigned int speed; /* USB_SPEED_XXX */ u64 formats; /* format bitmasks (all or'ed) */ unsigned int num_formats; /* number of supported audio formats (list) */ diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c index fe56c9da38e9..298070e8f2d4 100644 --- a/sound/usb/mixer.c +++ b/sound/usb/mixer.c @@ -287,25 +287,32 @@ static int get_ctl_value_v1(struct usb_mixer_elem_info *cval, int request, int v unsigned char buf[2]; int val_len = cval->val_type >= USB_MIXER_S16 ? 2 : 1; int timeout = 10; - int err; + int idx = 0, err; err = snd_usb_autoresume(cval->mixer->chip); if (err < 0) return -EIO; + down_read(&chip->shutdown_rwsem); while (timeout-- > 0) { + if (chip->shutdown) + break; + idx = snd_usb_ctrl_intf(chip) | (cval->id << 8); if (snd_usb_ctl_msg(chip->dev, usb_rcvctrlpipe(chip->dev, 0), request, USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, - validx, snd_usb_ctrl_intf(chip) | (cval->id << 8), - buf, val_len) >= val_len) { + validx, idx, buf, val_len) >= val_len) { *value_ret = convert_signed_value(cval, snd_usb_combine_bytes(buf, val_len)); - snd_usb_autosuspend(cval->mixer->chip); - return 0; + err = 0; + goto out; } } - snd_usb_autosuspend(cval->mixer->chip); snd_printdd(KERN_ERR "cannot get ctl value: req = %#x, wValue = %#x, wIndex = %#x, type = %d\n", - request, validx, snd_usb_ctrl_intf(chip) | (cval->id << 8), cval->val_type); - return -EINVAL; + request, validx, idx, cval->val_type); + err = -EINVAL; + + out: + up_read(&chip->shutdown_rwsem); + snd_usb_autosuspend(cval->mixer->chip); + return err; } static int get_ctl_value_v2(struct usb_mixer_elem_info *cval, int request, int validx, int *value_ret) @@ -313,7 +320,7 @@ static int get_ctl_value_v2(struct usb_mixer_elem_info *cval, int request, int v struct snd_usb_audio *chip = cval->mixer->chip; unsigned char buf[2 + 3*sizeof(__u16)]; /* enough space for one range */ unsigned char *val; - int ret, size; + int idx = 0, ret, size; __u8 bRequest; if (request == UAC_GET_CUR) { @@ -330,16 +337,22 @@ static int get_ctl_value_v2(struct usb_mixer_elem_info *cval, int request, int v if (ret) goto error; - ret = snd_usb_ctl_msg(chip->dev, usb_rcvctrlpipe(chip->dev, 0), bRequest, + down_read(&chip->shutdown_rwsem); + if (chip->shutdown) + ret = -ENODEV; + else { + idx = snd_usb_ctrl_intf(chip) | (cval->id << 8); + ret = snd_usb_ctl_msg(chip->dev, usb_rcvctrlpipe(chip->dev, 0), bRequest, USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, - validx, snd_usb_ctrl_intf(chip) | (cval->id << 8), - buf, size); + validx, idx, buf, size); + } + up_read(&chip->shutdown_rwsem); snd_usb_autosuspend(chip); if (ret < 0) { error: snd_printk(KERN_ERR "cannot get ctl value: req = %#x, wValue = %#x, wIndex = %#x, type = %d\n", - request, validx, snd_usb_ctrl_intf(chip) | (cval->id << 8), cval->val_type); + request, validx, idx, cval->val_type); return ret; } @@ -417,7 +430,7 @@ int snd_usb_mixer_set_ctl_value(struct usb_mixer_elem_info *cval, { struct snd_usb_audio *chip = cval->mixer->chip; unsigned char buf[2]; - int val_len, err, timeout = 10; + int idx = 0, val_len, err, timeout = 10; if (cval->mixer->protocol == UAC_VERSION_1) { val_len = cval->val_type >= USB_MIXER_S16 ? 2 : 1; @@ -440,19 +453,27 @@ int snd_usb_mixer_set_ctl_value(struct usb_mixer_elem_info *cval, err = snd_usb_autoresume(chip); if (err < 0) return -EIO; - while (timeout-- > 0) + down_read(&chip->shutdown_rwsem); + while (timeout-- > 0) { + if (chip->shutdown) + break; + idx = snd_usb_ctrl_intf(chip) | (cval->id << 8); if (snd_usb_ctl_msg(chip->dev, usb_sndctrlpipe(chip->dev, 0), request, USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT, - validx, snd_usb_ctrl_intf(chip) | (cval->id << 8), - buf, val_len) >= 0) { - snd_usb_autosuspend(chip); - return 0; + validx, idx, buf, val_len) >= 0) { + err = 0; + goto out; } - snd_usb_autosuspend(chip); + } snd_printdd(KERN_ERR "cannot set ctl value: req = %#x, wValue = %#x, wIndex = %#x, type = %d, data = %#x/%#x\n", - request, validx, snd_usb_ctrl_intf(chip) | (cval->id << 8), cval->val_type, buf[0], buf[1]); - return -EINVAL; + request, validx, idx, cval->val_type, buf[0], buf[1]); + err = -EINVAL; + + out: + up_read(&chip->shutdown_rwsem); + snd_usb_autosuspend(chip); + return err; } static int set_cur_ctl_value(struct usb_mixer_elem_info *cval, int validx, int value) diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c index 690000db0ec0..ae2b71435220 100644 --- a/sound/usb/mixer_quirks.c +++ b/sound/usb/mixer_quirks.c @@ -283,6 +283,11 @@ static int snd_audigy2nx_led_put(struct snd_kcontrol *kcontrol, struct snd_ctl_e if (value > 1) return -EINVAL; changed = value != mixer->audigy2nx_leds[index]; + down_read(&mixer->chip->shutdown_rwsem); + if (mixer->chip->shutdown) { + err = -ENODEV; + goto out; + } if (mixer->chip->usb_id == USB_ID(0x041e, 0x3042)) err = snd_usb_ctl_msg(mixer->chip->dev, usb_sndctrlpipe(mixer->chip->dev, 0), 0x24, @@ -299,6 +304,8 @@ static int snd_audigy2nx_led_put(struct snd_kcontrol *kcontrol, struct snd_ctl_e usb_sndctrlpipe(mixer->chip->dev, 0), 0x24, USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER, value, index + 2, NULL, 0); + out: + up_read(&mixer->chip->shutdown_rwsem); if (err < 0) return err; mixer->audigy2nx_leds[index] = value; @@ -392,11 +399,16 @@ static void snd_audigy2nx_proc_read(struct snd_info_entry *entry, for (i = 0; jacks[i].name; ++i) { snd_iprintf(buffer, "%s: ", jacks[i].name); - err = snd_usb_ctl_msg(mixer->chip->dev, + down_read(&mixer->chip->shutdown_rwsem); + if (mixer->chip->shutdown) + err = 0; + else + err = snd_usb_ctl_msg(mixer->chip->dev, usb_rcvctrlpipe(mixer->chip->dev, 0), UAC_GET_MEM, USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE, 0, jacks[i].unitid << 8, buf, 3); + up_read(&mixer->chip->shutdown_rwsem); if (err == 3 && (buf[0] == 3 || buf[0] == 6)) snd_iprintf(buffer, "%02x %02x\n", buf[1], buf[2]); else @@ -426,10 +438,15 @@ static int snd_xonar_u1_switch_put(struct snd_kcontrol *kcontrol, else new_status = old_status & ~0x02; changed = new_status != old_status; - err = snd_usb_ctl_msg(mixer->chip->dev, + down_read(&mixer->chip->shutdown_rwsem); + if (mixer->chip->shutdown) + err = -ENODEV; + else + err = snd_usb_ctl_msg(mixer->chip->dev, usb_sndctrlpipe(mixer->chip->dev, 0), 0x08, USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER, 50, 0, &new_status, 1); + up_read(&mixer->chip->shutdown_rwsem); if (err < 0) return err; mixer->xonar_u1_status = new_status; @@ -468,11 +485,17 @@ static int snd_nativeinstruments_control_get(struct snd_kcontrol *kcontrol, u8 bRequest = (kcontrol->private_value >> 16) & 0xff; u16 wIndex = kcontrol->private_value & 0xffff; u8 tmp; + int ret; - int ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), bRequest, + down_read(&mixer->chip->shutdown_rwsem); + if (mixer->chip->shutdown) + ret = -ENODEV; + else + ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), bRequest, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN, 0, cpu_to_le16(wIndex), &tmp, sizeof(tmp), 1000); + up_read(&mixer->chip->shutdown_rwsem); if (ret < 0) { snd_printk(KERN_ERR @@ -493,11 +516,17 @@ static int snd_nativeinstruments_control_put(struct snd_kcontrol *kcontrol, u8 bRequest = (kcontrol->private_value >> 16) & 0xff; u16 wIndex = kcontrol->private_value & 0xffff; u16 wValue = ucontrol->value.integer.value[0]; + int ret; - int ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), bRequest, + down_read(&mixer->chip->shutdown_rwsem); + if (mixer->chip->shutdown) + ret = -ENODEV; + else + ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), bRequest, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT, cpu_to_le16(wValue), cpu_to_le16(wIndex), NULL, 0, 1000); + up_read(&mixer->chip->shutdown_rwsem); if (ret < 0) { snd_printk(KERN_ERR @@ -656,11 +685,16 @@ static int snd_ftu_eff_switch_get(struct snd_kcontrol *kctl, return -EINVAL; - err = snd_usb_ctl_msg(chip->dev, + down_read(&mixer->chip->shutdown_rwsem); + if (mixer->chip->shutdown) + err = -ENODEV; + else + err = snd_usb_ctl_msg(chip->dev, usb_rcvctrlpipe(chip->dev, 0), UAC_GET_CUR, USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, validx << 8, snd_usb_ctrl_intf(chip) | (id << 8), value, val_len); + up_read(&mixer->chip->shutdown_rwsem); if (err < 0) return err; @@ -703,11 +737,16 @@ static int snd_ftu_eff_switch_put(struct snd_kcontrol *kctl, if (!pval->is_cached) { /* Read current value */ - err = snd_usb_ctl_msg(chip->dev, + down_read(&mixer->chip->shutdown_rwsem); + if (mixer->chip->shutdown) + err = -ENODEV; + else + err = snd_usb_ctl_msg(chip->dev, usb_rcvctrlpipe(chip->dev, 0), UAC_GET_CUR, USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, validx << 8, snd_usb_ctrl_intf(chip) | (id << 8), value, val_len); + up_read(&mixer->chip->shutdown_rwsem); if (err < 0) return err; @@ -719,11 +758,16 @@ static int snd_ftu_eff_switch_put(struct snd_kcontrol *kctl, if (cur_val != new_val) { value[0] = new_val; value[1] = 0; - err = snd_usb_ctl_msg(chip->dev, + down_read(&mixer->chip->shutdown_rwsem); + if (mixer->chip->shutdown) + err = -ENODEV; + else + err = snd_usb_ctl_msg(chip->dev, usb_sndctrlpipe(chip->dev, 0), UAC_SET_CUR, USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT, validx << 8, snd_usb_ctrl_intf(chip) | (id << 8), value, val_len); + up_read(&mixer->chip->shutdown_rwsem); if (err < 0) return err; diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c index 55e19e1b80ec..37428f74dbb6 100644 --- a/sound/usb/pcm.c +++ b/sound/usb/pcm.c @@ -71,6 +71,8 @@ static snd_pcm_uframes_t snd_usb_pcm_pointer(struct snd_pcm_substream *substream unsigned int hwptr_done; subs = (struct snd_usb_substream *)substream->runtime->private_data; + if (subs->stream->chip->shutdown) + return SNDRV_PCM_POS_XRUN; spin_lock(&subs->lock); hwptr_done = subs->hwptr_done; substream->runtime->delay = snd_usb_pcm_delay(subs, @@ -444,7 +446,6 @@ static int configure_endpoint(struct snd_usb_substream *subs) { int ret; - mutex_lock(&subs->stream->chip->shutdown_mutex); /* format changed */ stop_endpoints(subs, 0, 0, 0); ret = snd_usb_endpoint_set_params(subs->data_endpoint, @@ -455,7 +456,7 @@ static int configure_endpoint(struct snd_usb_substream *subs) subs->cur_audiofmt, subs->sync_endpoint); if (ret < 0) - goto unlock; + return ret; if (subs->sync_endpoint) ret = snd_usb_endpoint_set_params(subs->data_endpoint, @@ -465,9 +466,6 @@ static int configure_endpoint(struct snd_usb_substream *subs) subs->cur_rate, subs->cur_audiofmt, NULL); - -unlock: - mutex_unlock(&subs->stream->chip->shutdown_mutex); return ret; } @@ -505,7 +503,13 @@ static int snd_usb_hw_params(struct snd_pcm_substream *substream, return -EINVAL; } - if ((ret = set_format(subs, fmt)) < 0) + down_read(&subs->stream->chip->shutdown_rwsem); + if (subs->stream->chip->shutdown) + ret = -ENODEV; + else + ret = set_format(subs, fmt); + up_read(&subs->stream->chip->shutdown_rwsem); + if (ret < 0) return ret; subs->interface = fmt->iface; @@ -527,10 +531,12 @@ static int snd_usb_hw_free(struct snd_pcm_substream *substream) subs->cur_audiofmt = NULL; subs->cur_rate = 0; subs->period_bytes = 0; - mutex_lock(&subs->stream->chip->shutdown_mutex); - stop_endpoints(subs, 0, 1, 1); - deactivate_endpoints(subs); - mutex_unlock(&subs->stream->chip->shutdown_mutex); + down_read(&subs->stream->chip->shutdown_rwsem); + if (!subs->stream->chip->shutdown) { + stop_endpoints(subs, 0, 1, 1); + deactivate_endpoints(subs); + } + up_read(&subs->stream->chip->shutdown_rwsem); return snd_pcm_lib_free_vmalloc_buffer(substream); } @@ -552,12 +558,19 @@ static int snd_usb_pcm_prepare(struct snd_pcm_substream *substream) return -ENXIO; } - if (snd_BUG_ON(!subs->data_endpoint)) - return -EIO; + down_read(&subs->stream->chip->shutdown_rwsem); + if (subs->stream->chip->shutdown) { + ret = -ENODEV; + goto unlock; + } + if (snd_BUG_ON(!subs->data_endpoint)) { + ret = -EIO; + goto unlock; + } ret = set_format(subs, subs->cur_audiofmt); if (ret < 0) - return ret; + goto unlock; iface = usb_ifnum_to_if(subs->dev, subs->cur_audiofmt->iface); alts = &iface->altsetting[subs->cur_audiofmt->altset_idx]; @@ -567,12 +580,12 @@ static int snd_usb_pcm_prepare(struct snd_pcm_substream *substream) subs->cur_audiofmt, subs->cur_rate); if (ret < 0) - return ret; + goto unlock; if (subs->need_setup_ep) { ret = configure_endpoint(subs); if (ret < 0) - return ret; + goto unlock; subs->need_setup_ep = false; } @@ -592,9 +605,11 @@ static int snd_usb_pcm_prepare(struct snd_pcm_substream *substream) /* for playback, submit the URBs now; otherwise, the first hwptr_done * updates for all URBs would happen at the same time when starting */ if (subs->direction == SNDRV_PCM_STREAM_PLAYBACK) - return start_endpoints(subs, 1); + ret = start_endpoints(subs, 1); - return 0; + unlock: + up_read(&subs->stream->chip->shutdown_rwsem); + return ret; } static struct snd_pcm_hardware snd_usb_hardware = @@ -647,7 +662,7 @@ static int hw_check_valid_format(struct snd_usb_substream *subs, return 0; } /* check whether the period time is >= the data packet interval */ - if (snd_usb_get_speed(subs->dev) != USB_SPEED_FULL) { + if (subs->speed != USB_SPEED_FULL) { ptime = 125 * (1 << fp->datainterval); if (ptime > pt->max || (ptime == pt->max && pt->openmax)) { hwc_debug(" > check: ptime %u > max %u\n", ptime, pt->max); @@ -925,7 +940,7 @@ static int setup_hw_info(struct snd_pcm_runtime *runtime, struct snd_usb_substre return err; param_period_time_if_needed = SNDRV_PCM_HW_PARAM_PERIOD_TIME; - if (snd_usb_get_speed(subs->dev) == USB_SPEED_FULL) + if (subs->speed == USB_SPEED_FULL) /* full speed devices have fixed data packet interval */ ptmin = 1000; if (ptmin == 1000) diff --git a/sound/usb/proc.c b/sound/usb/proc.c index ebc1a5b5b3f1..d218f763501f 100644 --- a/sound/usb/proc.c +++ b/sound/usb/proc.c @@ -108,7 +108,7 @@ static void proc_dump_substream_formats(struct snd_usb_substream *subs, struct s } snd_iprintf(buffer, "\n"); } - if (snd_usb_get_speed(subs->dev) != USB_SPEED_FULL) + if (subs->speed != USB_SPEED_FULL) snd_iprintf(buffer, " Data packet interval: %d us\n", 125 * (1 << fp->datainterval)); // snd_iprintf(buffer, " Max Packet Size = %d\n", fp->maxpacksize); @@ -124,7 +124,7 @@ static void proc_dump_ep_status(struct snd_usb_substream *subs, return; snd_iprintf(buffer, " Packet Size = %d\n", ep->curpacksize); snd_iprintf(buffer, " Momentary freq = %u Hz (%#x.%04x)\n", - snd_usb_get_speed(subs->dev) == USB_SPEED_FULL + subs->speed == USB_SPEED_FULL ? get_full_speed_hz(ep->freqm) : get_high_speed_hz(ep->freqm), ep->freqm >> 16, ep->freqm & 0xffff); diff --git a/sound/usb/stream.c b/sound/usb/stream.c index 083ed81160e5..1de0c8c002a8 100644 --- a/sound/usb/stream.c +++ b/sound/usb/stream.c @@ -90,6 +90,7 @@ static void snd_usb_init_substream(struct snd_usb_stream *as, subs->direction = stream; subs->dev = as->chip->dev; subs->txfr_quirk = as->chip->txfr_quirk; + subs->speed = snd_usb_get_speed(subs->dev); snd_usb_set_pcm_ops(as->pcm, stream); diff --git a/sound/usb/usbaudio.h b/sound/usb/usbaudio.h index b8233ebe250f..ef42797f56fb 100644 --- a/sound/usb/usbaudio.h +++ b/sound/usb/usbaudio.h @@ -37,7 +37,7 @@ struct snd_usb_audio { struct usb_interface *pm_intf; u32 usb_id; struct mutex mutex; - struct mutex shutdown_mutex; + struct rw_semaphore shutdown_rwsem; unsigned int shutdown:1; unsigned int probing:1; unsigned int autosuspended:1; |