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| author | Johan Hedberg <johan.hedberg@intel.com> | 2012-02-16 14:23:04 +0200 |
|---|---|---|
| committer | Johan Hedberg <johan.hedberg@intel.com> | 2012-02-16 14:25:34 +0200 |
| commit | 46479e698530b8197d601a23317b7c7654195338 (patch) | |
| tree | 710b2758ecd7d8a6ada37724c5d4c8027d5f358f /drivers/md/dm-mpath.c | |
| parent | 7b99b659d90c5d421cb1867295c78a4c0c030734 (diff) | |
| parent | ca994a36f585432458ead9133fcfe05440edbb7b (diff) | |
| download | lwn-46479e698530b8197d601a23317b7c7654195338.tar.gz lwn-46479e698530b8197d601a23317b7c7654195338.zip | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next.git
Conflicts:
include/net/bluetooth/l2cap.h
net/bluetooth/hci_conn.c
net/bluetooth/l2cap_core.c
Diffstat (limited to 'drivers/md/dm-mpath.c')
| -rw-r--r-- | drivers/md/dm-mpath.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c index 5e0090ef4182..801d92d237cf 100644 --- a/drivers/md/dm-mpath.c +++ b/drivers/md/dm-mpath.c @@ -1520,6 +1520,12 @@ static int multipath_ioctl(struct dm_target *ti, unsigned int cmd, spin_unlock_irqrestore(&m->lock, flags); + /* + * Only pass ioctls through if the device sizes match exactly. + */ + if (!r && ti->len != i_size_read(bdev->bd_inode) >> SECTOR_SHIFT) + r = scsi_verify_blk_ioctl(NULL, cmd); + return r ? : __blkdev_driver_ioctl(bdev, mode, cmd, arg); } |