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2008-11-20MIPS: csrc-r4k: Fix spelling mistake.Ralf Baechle
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2008-11-20MIPS: RB532: Provide functions for gpio configurationPhil Sutter
As gpiolib doesn't support pin multiplexing, it provides no way to access the GPIOFUNC register. Also there is no support for setting interrupt status and level. These functions provide access to them and are needed by the CompactFlash driver. Signed-off-by: Phil Sutter <n0-1@freewrt.org> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2008-11-20MIPS: IP22: Make indy_sc_ops variable staticDmitri Vorobiev
The indy_sc_ops variable in arch/mips/mm/sc-ip22.c is needlessly defined global, and this patch makes it static. Signed-off-by: Dmitri Vorobiev <dmitri.vorobiev@movial.fi> Signed-off-by: Ralf Baechle <ralf@linux-mips.org> ---
2008-11-20MIPS: RB532: GPIO register offsets are relative to GPIOBASEFlorian Fainelli
This patch fixes the wrong use of GPIO register offsets in devices.c. To avoid further problems, use gpio_get_value to return the NAND status instead of our own expanded code. Also define the zero offset of the alternate function register to allow consistent access. Signed-off-by: Florian Fainelli <florian@openwrt.org> Signed-off-by: Phil Sutter <n0-1@freewrt.org> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2008-11-20MIPS: Malta: Fix include paths in malta-amon.cDavid Daney
On linux-queue, malta doesn't build after the include file relocation. This should fix it. There some occurrences of 'asm-mips' in the comments of quite a few files, but this is the only place I found it in any code. Signed-off-by: David Daney <ddaney@avtrex.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2008-11-20V4L/DVB (9647): em28xx: void having two concurrent control URB'sMauro Carvalho Chehab
Now that we have a polling task for IR, there's a race condition, since IR can be polling while other operations are being doing. Also, we are now sharing the same urb_buf for both read and write control urb operations. So, we need a mutex. Thanks to Davin Heitmueller <devin.heitmueller@gmail.com> for warning me. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-11-20V4L/DVB (9646): em28xx: avoid allocating/dealocating memory on every control urbMauro Carvalho Chehab
Before this patch, every register setup on em28xx were dynamically allocating a temporary buffer for control URB's to be handled. To avoid this ping-pong, use, instead a pre-allocated buffer. Also, be sure that read control URB's also use the buffer, instead of relying on a stack buffer. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-11-20V4L/DVB (9645): em28xx: Avoid memory leaks if registration failsMauro Carvalho Chehab
em28xx_init_dev() has some error conditions that are not properly de-allocating dev var, nor freeing the device number for a future usage. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-11-20ALSA: hda: STAC_DELL_M6 EAPDMatthew Ranostay
Add support for EAPD on system suspend and disabling EAPD on headphone jack detection for STAC_DELL_M6 laptops. This patch fixes the regressions, the silent output on HP of some Dell laptops (see Novell bnc#446025): https://bugzilla.novell.com/show_bug.cgi?id=446025 Signed-off-by: Matthew Ranostay <mranostay@embeddedalley.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2008-11-20x86: fixing __cpuinit/__init tangle, xsave_cntxt_init()Rakib Mullick
Annotate xsave_cntxt_init() as "can be called outside of __init". Signed-off-by: Rakib Mullick <rakib.mullick@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-11-20x86: fix __cpuinit/__init tangle in init_thread_xstate()Rakib Mullick
Impact: fix incorrect __init annotation This patch removes the following section mismatch warning. A patch set was send previously (http://lkml.org/lkml/2008/11/10/407). But introduce some other problem, reported by Rufus (http://lkml.org/lkml/2008/11/11/46). Then Ingo Molnar suggest that, it's best to remove __init from xsave_cntxt_init(void). Which is the second patch in this series. Now, this one removes the following warning. WARNING: arch/x86/kernel/built-in.o(.cpuinit.text+0x2237): Section mismatch in reference from the function cpu_init() to the function .init.text:init_thread_xstate() The function __cpuinit cpu_init() references a function __init init_thread_xstate(). If init_thread_xstate is only used by cpu_init then annotate init_thread_xstate with a matching annotation. Signed-off-by: Rakib Mullick <rakib.mullick@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-11-20HID: add USB ID for another dual gameron adapterJiri Kosina
0x0810/0x0002 needs the very same handling as 0x0001. Reported-by: Steve Conklin <sconklin@canonical.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2008-11-20net: fix tiny output corruption of /proc/net/snmp6Alexey Dobriyan
Because "name" is static, it can be occasionally be filled with somewhat garbage if two processes read /proc/net/snmp6. Also, remove useless casts and "-1" -- snprintf() correctly terminates it's output. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-20atl2: don't request irq on resume if netif runningAlan Jenkins
If the device is suspended with the cable disconnected, then resumed with the cable connected, dev->open is called before resume. During resume, we request an IRQ, but the IRQ was already assigned during dev->open, resulting in the warning shown below. Don't request an IRQ if the device is running. Call Trace: [<c011b89a>] warn_on_slowpath+0x40/0x59 [<c023df15>] raw_pci_read+0x4d/0x55 [<c023dff3>] pci_read+0x1c/0x21 [<c01bcd81>] __pci_find_next_cap_ttl+0x44/0x70 [<c01bce86>] __pci_find_next_cap+0x1a/0x1f [<c01bcef9>] pci_find_capability+0x28/0x2c [<c01c4144>] pci_msi_check_device+0x53/0x62 [<c01c49c2>] pci_enable_msi+0x3a/0x1cd [<e019f17b>] atl2_write_phy_reg+0x40/0x5f [atl2] [<c01061b1>] dma_generic_alloc_coherent+0x0/0xd7 [<e019f107>] atl2_request_irq+0x15/0x49 [atl2] [<e01a1481>] atl2_open+0x20b/0x297 [atl2] [<c024a35c>] dev_open+0x62/0x91 [<c0248b9a>] dev_change_flags+0x93/0x141 [<c024f308>] do_setlink+0x238/0x2d5 [<c02501b2>] rtnl_setlink+0xa9/0xbf [<c0297f0c>] mutex_lock+0xb/0x19 [<c024ffa7>] rtnl_dump_ifinfo+0x0/0x69 [<c0250109>] rtnl_setlink+0x0/0xbf [<c024fe42>] rtnetlink_rcv_msg+0x185/0x19f [<c0240fd1>] sock_rmalloc+0x23/0x57 [<c024fcbd>] rtnetlink_rcv_msg+0x0/0x19f [<c0259457>] netlink_rcv_skb+0x2d/0x71 [<c024fcb7>] rtnetlink_rcv+0x14/0x1a [<c025929e>] netlink_unicast+0x184/0x1e4 [<c025992a>] netlink_sendmsg+0x233/0x240 [<c023f405>] sock_sendmsg+0xb7/0xd0 [<c0129131>] autoremove_wake_function+0x0/0x2b [<c0129131>] autoremove_wake_function+0x0/0x2b [<c0147796>] mempool_alloc+0x2d/0x9e [<c020c923>] scsi_pool_alloc_command+0x35/0x4f [<c0297f0c>] mutex_lock+0xb/0x19 [<c028e867>] unix_stream_recvmsg+0x357/0x3e2 [<c01b81c9>] copy_from_user+0x23/0x4f [<c02452ea>] verify_iovec+0x3e/0x6c [<c023f5ab>] sys_sendmsg+0x18d/0x1f0 [<c023ffa8>] sys_recvmsg+0x146/0x1c8 [<c0240016>] sys_recvmsg+0x1b4/0x1c8 [<c0118f48>] __wake_up+0xf/0x15 [<c02586cd>] netlink_table_ungrab+0x17/0x19 [<c01b83ba>] copy_to_user+0x25/0x3b [<c023fe4a>] move_addr_to_user+0x50/0x68 [<c0240266>] sys_getsockname+0x6f/0x9a [<c0240280>] sys_getsockname+0x89/0x9a [<c015046a>] do_wp_page+0x3ae/0x41a [<c0151525>] handle_mm_fault+0x4c5/0x540 [<c02405d0>] sys_socketcall+0x176/0x1b0 [<c010376d>] sysenter_do_call+0x12/0x21 Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk> Signed-off-by: Jay Cliburn <jcliburn@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-20ipv6: use seq_release_private for ip6mr.c /proc entriesBenjamin Thery
In ip6mr.c, /proc entries /proc/net/ip6_mr_cache and /proc/net/ip6_mr_vif are opened with seq_open_private(), thus seq_release_private() should be used to release them. Should fix a small memory leak. Signed-off-by: Benjamin Thery <benjamin.thery@bull.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-20pkt_sched: fix missing check for packet overrun in qdisc_dump_stab()Patrick McHardy
nla_nest_start() might return NULL, causing a NULL pointer dereference. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-20Merge branch 'master' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
2008-11-20HID: unignore mouse on unibody macbooksJiri Kosina
In commit a96d6ef34, the mouse interfaces on the unibody macbooks were put into hid mouse ignore list. This was a little bit too premature though, as the corresponding bcm5974 changes are scheduled for 2.6.29. Remove these devices from the ignore list for now, in order to provide at least basic functionality with the HID driver. Will be reintroduced in 2.6.29 Reported-by: Henrik Rydberg <rydberg@euromail.se> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2008-11-20smc911x: Fix printf format typo in smc911x driver.Vernon Sauder
Signed-off-by: Vernon Sauder <VernonInHand@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-20asix: Fix asix-based cards connecting to 10/100Mbs LAN.Pantelis Koukousoulas
Add AX_MEDIUM_ENCK also when speed = 10/100Mbps. This allows my belkin f5d5055 to work with my 100Mbps switch and with an old 10Mbps ISA card. Without this patch, the card is recognized and the interface is brought up fine, but no packets actually flow through the interface. Signed-off-by: Pantelis Koukousoulas <pktoss@gmail.com> Acked-by: David Hollis <dhollis@davehollis.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-20mv643xx_eth: fix recycle check boundLennert Buytenhek
When mv643xx_eth allocates skbuffs, it adds 'dma_get_cache_alignment() - 1' to the length it needs, so that it can align the skb's ->data pointer to a cache boundary. When checking whether a transmitted skbuff can be reused as a receive buffer, these bytes needs to be included into the minimum bound for the recycle check. Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-20mv643xx_eth: fix the order of mdiobus_{unregister, free}() callsLennert Buytenhek
Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-20sh: sh_eth: Update to change of mii_busNobuhiro Iwamatsu
Update to change of mii_bus interface and fix some warning. Signed-off-by: Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-20TPROXY: supply a struct flowi->flags argument in inet_sk_rebuild_header()Balazs Scheidler
inet_sk_rebuild_header() does a new route lookup if the dst_entry associated with a socket becomes stale. However inet_sk_rebuild_header() didn't use struct flowi->flags, causing the route lookup to fail for foreign-bound IP_TRANSPARENT sockets, causing an error state to be set for the sockets in question. Signed-off-by: Balazs Scheidler <bazsi@balabit.hu> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-20TPROXY: fill struct flowi->flags in udp_sendmsg()Balazs Scheidler
udp_sendmsg() didn't fill struct flowi->flags, which means that the route lookup would fail for non-local IPs even if the IP_TRANSPARENT sockopt was set. This prevents sendto() to work properly for UDP sockets, whereas bind(foreign-ip) + connect() + send() worked fine. Signed-off-by: Balazs Scheidler <bazsi@balabit.hu> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-19USB: ACE1001 patch for cp2101.cM Kondrin
The patch which adds IDs for AKTAKOM USB->RS232 cable (http://www.aktakom.ru/product/kio/ace-1001.htm) is attached. From: M Kondrin <mkondrin@hppi.troitsk.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-11-19USB: usbmon: fix read(2)Pete Zaitcev
There's a bug in the usbmon binary reader: When using read() to fetch the packets and a packet's data is partially read, the next read call will once again return up to len_cap bytes of data. The b_read counter is not regarded when determining the remaining chunk size. So, when dumping USB data with "cat /dev/usbmon0 > usbmon.trace" while reading from a USB storage device and analyzing the dump file afterwards it will get out of sync after a couple of packets. Signed-off-by: Ingo van Lil <inguin@gmx.de> Signed-off-by: Pete Zaitcev <zaitcev@redhat.com> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-11-19USB: gadget rndis: send notificationsRichard Röjfors
It turns out that atomic_inc_return() returns the *new* value not the original one, so the logic in rndis_response_available() kept the first RNDIS response notification from getting out. This prevented interoperation with MS-Windows (but not Linux). Fix this to make RNDIS behave again. Signed-off-by: Richard Röjfors <richard.rojfors@endian.se> Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-11-19USB: gadget rndis: stop windows self-immolationDavid Brownell
Somewhere in the conversion of the RNDIS gadget code to the new framework, the descriptor of its data interface seems to have been copied from the CDC Ethernet driver. Unfortunately that means it got a nonzero altsetting ... which is incorrect. Issue uncovered by Richard Röjfors <richard.rojfors@endian.se>. This patch fixes that problem, and resolves at least some cases of Windows XP bluescreening itself. Tested-by: Richard Röjfors <richard.rojfors@endian.se>. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-11-19USB: storage: update unusual_devs entries for Nokia 5300 and 5310Alan Stern
This patch (as1168) updates the unusual_devs entry for the Nokia 5300. According to Jorge Lucangeli Obes <t4m5yn@gmail.com>, some existing models have a revision number lower than the lower limit of the current entry. The patch also moves the entry for the Nokia 5310 to its correct place in the file. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-11-19USB: storage: updates unusual_devs entry for the Nokia 6300Alan Stern
This patch (as1169) modifies the unusual_devs entry for the Nokia 6300. According to Maciej Gierok <mgierok@gmail.com> and David McBride <dwm@doc.ic.ac.uk>, the revision limits need to be wider. This fixes Bugzilla #11768. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-11-19usb: musb: fix bug in musb_scheduleFelipe Balbi
This bug was introduced recently. Fix it before bigger problems appear. Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com> Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-11-19USB: fix SB700 usb subsystem hang bugAndiry Xu
This patch is required for AMD SB700 south bridge revision A12 and A13 to avoid USB subsystem hang symptom. The USB subsystem hang symptom is observed when the system has multiple USB devices connected to it. In some cases a USB hub may be required to observe this symptom. This patch works around the problem by correcting the internal register setting that will help by changing the behavior of the internal logic to avoid the USB subsystem hang issue. The change in the behavior of the logic does not impact the normal operation of the USB subsystem. Reported-by: Volker Armin Hemmann <volker.armin.hemmann@tu-clausthal.de> Tested-by: Volker Armin Hemmann <volker.armin.hemmann@tu-clausthal.de> Signed-off-by: Andiry Xu <andiry.xu@amd.com> Signed-off-by: Libin Yang <libin.yang@amd.com> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-11-19Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6: PCI: Fix disable IRQ 0 in pci_reset_function()
2008-11-19Merge branch 'x86/numa' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'x86/numa' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86: make NUMA on 32-bit depend on EXPERIMENTAL again x86, hibernate: fix breakage on x86_32 with CONFIG_NUMA set
2008-11-19Merge branch 'x86-fixes-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86: more general identifier for Phoenix BIOS AMD IOMMU: check for next_bit also in unmapped area AMD IOMMU: fix fullflush comparison length AMD IOMMU: enable device isolation per default AMD IOMMU: add parameter to disable device isolation x86, PEBS/DS: fix code flow in ds_request() x86: add rdtsc barrier to TSC sync check xen: fix scrub_page() x86: fix es7000 compiling x86, bts: fix unlock problem in ds.c x86, voyager: fix smp generic helper voyager breakage x86: move iomap.h to the new include location
2008-11-19cciss: fix DEBUG printk formatsRandy Dunlap
Fix printk format warnings when CCISS_DEBUG is defined. drivers/block/cciss.c:2856: warning: format '%d' expects type 'int', but argument 2 has type 'long unsigned int' drivers/block/cciss.c:3205: warning: format '%x' expects type 'unsigned int', but argument 2 has type 'long unsigned int' drivers/block/cciss.c:3236: warning: format '%x' expects type 'unsigned int', but argument 2 has type '__u64' drivers/block/cciss.c:3246: warning: format '%x' expects type 'unsigned int', but argument 2 has type '__u64' Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Cc: Mike Miller <mike.miller@hp.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-11-19W1 OMAP: Fix OMAP LDP boot crashStanley.Miao
OMAP LDP boot crash. This is because w1 subsystem changed the search interface, so update omap_hdq's search interface to follow the change. Signed-off-by: Stanley.Miao <stanley.miao@windriver.com> Signed-off-by: Evgeniy Polyakov <zbr@ioremap.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-11-19drivers/video/backlight/da903x.c: introduce one more missing kfreeMike Rapoport
One more error handling code should have kfree as well Signed-off-by: Mike Rapoport <mike@compulab.co.il> Acked-by: Eric Miao <eric.miao@marvell.com> Cc: Richard Purdie <rpurdie@rpsys.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-11-19cgroups: fix a serious bug in cgroupstatsLi Zefan
Try this, and you'll get oops immediately: # cd Documentation/accounting/ # gcc -o getdelays getdelays.c # mount -t cgroup -o debug xxx /mnt # ./getdelays -C /mnt/tasks Because a normal file's dentry->d_fsdata is a pointer to struct cftype, not struct cgroup. After the patch, it returns EINVAL if we try to get cgroupstats from a normal file. Cc: Balbir Singh <balbir@linux.vnet.ibm.com> Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Acked-by: Paul Menage <menage@google.com> Cc: <stable@kernel.org> [2.6.25.x, 2.6.26.x, 2.6.27.x] Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-11-19hostfs: fix a duplicated global function nameWANG Cong
fs/hostfs/hostfs_user.c defines do_readlink() as non-static, and so does fs/xfs/linux-2.6/xfs_ioctl.c when CONFIG_XFS_DEBUG=y. So rename do_readlink() in hostfs to hostfs_do_readlink(). I think it's better if XFS guys will also rename their do_readlink(), it's not necessary to use such a general name. Signed-off-by: WANG Cong <wangcong@zeuux.org> Cc: Jeff Dike <jdike@addtoit.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-11-19cirrusfb: remove unused variablesVlada Peric
After commit a1d35a7a (cirrusfb: use modedb and add mode_option parameter), these variables are no longer used, so remove them to fix compilation warning. Signed-off-by: Vlada Periæ <vlada.peric@gmail.com> Acked-by: Krzysztof Helt <krzysztof.h1@wp.pl> Cc: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-11-19vmscan: fix get_scan_ratio() commentRik van Riel
Fix the old comment on the scan ratio calculations. Signed-off-by: Rik van Riel <riel@redhat.com> Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-11-19MAINTAINERS: change email address for rostedtSteven Rostedt
I find that I answer my email quicker on my home email account, than I do on my work email. Not to mention that I never check my work email while traveling. Please change my email address in the MAINTAINERS file from srostedt@redhat.com to rostedt@goodmis.org. Signed-off-by: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-11-19drivers/hwmon/applesmc.c: add generic MacPro supportHenrik Rydberg
In order to analyze the SMC of the newer MacPros, applesmc needs to recognize the machine. This patch adds the missing generic dmi_match entry for MacPro models. Signed-off-by: Henrik Rydberg <rydberg@euromail.se> Cc: Nicolas Boichat <nicolas@boichat.ch> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-11-19drivers/video/backlight/da903x.c: introduce missing kfreeJulia Lawall
Error handling code following a kzalloc should free the allocated data. The semantic match that finds the problem is as follows: (http://www.emn.fr/x-info/coccinelle/) // <smpl> @r exists@ local idexpression x; statement S; expression E; identifier f,l; position p1,p2; expression *ptr != NULL; @@ ( if ((x@p1 = \(kmalloc\|kzalloc\|kcalloc\)(...)) == NULL) S | x@p1 = \(kmalloc\|kzalloc\|kcalloc\)(...); ... if (x == NULL) S ) <... when != x when != if (...) { <+...x...+> } x->f = E ...> ( return \(0\|<+...x...+>\|ptr\); | return@p2 ...; ) @script:python@ p1 << r.p1; p2 << r.p2; @@ print "* file: %s kmalloc %s return %s" % (p1[0].file,p1[0].line,p2[0].line) // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Cc: Mike Rapoport <mike@compulab.co.il> Cc: Richard Purdie <rpurdie@linux.intel.com> Cc: Eric Miao <eric.miao@marvell.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-11-19don't unlink an active swapfileHugh Dickins
Peter Cordes is sorry that he rm'ed his swapfiles while they were in use, he then had no pathname to swapoff. It's a curious little oversight, but not one worth a lot of hackery. Kudos to Willy Tarreau for turning this around from a discussion of synthetic pathnames to how to prevent unlink. Mimic immutable: prohibit unlinking an active swapfile in may_delete() (and don't worry my little head over the tiny race window). Signed-off-by: Hugh Dickins <hugh@veritas.com> Cc: Willy Tarreau <w@1wt.eu> Acked-by: Christoph Hellwig <hch@infradead.org> Cc: Peter Cordes <peter@cordes.ca> Cc: Bodo Eggert <7eggert@gmx.de> Cc: David Newall <davidn@davidnewall.com> Cc: Peter Zijlstra <peterz@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-11-19vmscan: let GFP_NOFS go to swap againHugh Dickins
In the past, GFP_NOFS (but of course not GFP_NOIO) was allowed to reclaim by writing to swap. That got partially broken in 2.6.23, when may_enter_fs initialization was moved up before the allocation of swap, so its PageSwapCache test was failing the first time around, Fix it by setting may_enter_fs when add_to_swap() succeeds with __GFP_IO. In fact, check __GFP_IO before calling add_to_swap(): allocating swap we're not ready to use just increases disk seeking. Signed-off-by: Hugh Dickins <hugh@veritas.com> Cc: Rik van Riel <riel@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-11-19migration: fix writepage errorHugh Dickins
Page migration's writeout() has got understandably confused by the nasty AOP_WRITEPAGE_ACTIVATE case: as in normal success, a writepage() error has unlocked the page, so writeout() then needs to relock it. Signed-off-by: Hugh Dickins <hugh@veritas.com> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Christoph Lameter <cl@linux-foundation.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-11-19sprint_symbol(): use less stackHugh Dickins
sprint_symbol(), itself used when dumping stacks, has been wasting 128 bytes of stack: lookup the symbol directly into the buffer supplied by the caller, instead of using a locally declared namebuf. I believe the name != buffer strcpy() is obsolete: the design here dates from when module symbol lookup pointed into a supposedly const but sadly volatile table; nowadays it copies, but an uncalled strcpy() looks better here than the risk of a recursive BUG_ON(). Signed-off-by: Hugh Dickins <hugh@veritas.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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