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| author | John W. Linville <linville@tuxdriver.com> | 2012-02-15 16:24:37 -0500 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2012-02-15 16:24:37 -0500 |
| commit | ca994a36f585432458ead9133fcfe05440edbb7b (patch) | |
| tree | be05512153a9cd5cbe1f1234bc09fd9cd388ec58 /drivers/md/dm-mpath.c | |
| parent | 12325280dfeba18164f9c47e226a40ab34e23ee7 (diff) | |
| parent | 2504a6423b9ab4c36df78227055995644de19edb (diff) | |
| download | lwn-ca994a36f585432458ead9133fcfe05440edbb7b.tar.gz lwn-ca994a36f585432458ead9133fcfe05440edbb7b.zip | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
Conflicts:
net/mac80211/debugfs_sta.c
net/mac80211/sta_info.h
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); } |