diff options
Diffstat (limited to 'drivers/vhost')
| -rw-r--r-- | drivers/vhost/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/vhost/Kconfig.vringh | 1 | ||||
| -rw-r--r-- | drivers/vhost/scsi.c | 1 | ||||
| -rw-r--r-- | drivers/vhost/vhost.c | 8 | ||||
| -rw-r--r-- | drivers/vhost/vringh.c | 1 |
5 files changed, 9 insertions, 3 deletions
diff --git a/drivers/vhost/Kconfig b/drivers/vhost/Kconfig index b580885243f7..3d03ccbd1adc 100644 --- a/drivers/vhost/Kconfig +++ b/drivers/vhost/Kconfig @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only config VHOST_NET tristate "Host kernel accelerator for virtio net" depends on NET && EVENTFD && (TUN || !TUN) && (TAP || !TAP) diff --git a/drivers/vhost/Kconfig.vringh b/drivers/vhost/Kconfig.vringh index 6a4490c09d7f..c1fe36a9b8d4 100644 --- a/drivers/vhost/Kconfig.vringh +++ b/drivers/vhost/Kconfig.vringh @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only config VHOST_RING tristate ---help--- diff --git a/drivers/vhost/scsi.c b/drivers/vhost/scsi.c index 618fb6461017..c090d177bd75 100644 --- a/drivers/vhost/scsi.c +++ b/drivers/vhost/scsi.c @@ -1443,7 +1443,6 @@ vhost_scsi_set_endpoint(struct vhost_scsi *vs, tpg->tv_tpg_vhost_count++; tpg->vhost_scsi = vs; vs_tpg[tpg->tport_tpgt] = tpg; - smp_mb__after_atomic(); match = true; } mutex_unlock(&tpg->tv_tpg_mutex); diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c index 5ace833de746..1e3ed41ae1f3 100644 --- a/drivers/vhost/vhost.c +++ b/drivers/vhost/vhost.c @@ -911,8 +911,12 @@ static int vhost_new_umem_range(struct vhost_umem *umem, u64 start, u64 size, u64 end, u64 userspace_addr, int perm) { - struct vhost_umem_node *tmp, *node = kmalloc(sizeof(*node), GFP_ATOMIC); + struct vhost_umem_node *tmp, *node; + if (!size) + return -EFAULT; + + node = kmalloc(sizeof(*node), GFP_ATOMIC); if (!node) return -ENOMEM; @@ -1700,7 +1704,7 @@ static int set_bit_to_user(int nr, void __user *addr) int bit = nr + (log % PAGE_SIZE) * 8; int r; - r = get_user_pages_fast(log, 1, 1, &page); + r = get_user_pages_fast(log, 1, FOLL_WRITE, &page); if (r < 0) return r; BUG_ON(r != 1); diff --git a/drivers/vhost/vringh.c b/drivers/vhost/vringh.c index a94d700a4503..08ad0d1f0476 100644 --- a/drivers/vhost/vringh.c +++ b/drivers/vhost/vringh.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Helpers for the host side of a virtio ring. * |