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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-04-07 11:06:41 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-04-07 11:06:41 -0700 |
| commit | 6a5d263866d699ebf6843105497afc86ee53de5b (patch) | |
| tree | 439195e272631908cdc2e3e44abaf7e1c3447157 /drivers/block/loop.c | |
| parent | aeeae86859f4319de0a4946b44771d9926eeed54 (diff) | |
| parent | ffcd7dca3ab78f9f425971756e5e90024157f6be (diff) | |
| download | linux-6a5d263866d699ebf6843105497afc86ee53de5b.tar.bz2 | |
Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-block
* 'for-linus' of git://git.kernel.dk/linux-2.6-block:
loop: mutex already unlocked in loop_clr_fd()
cfq-iosched: don't let idling interfere with plugging
block: remove unused REQ_UNPLUG
cfq-iosched: kill two unused cfqq flags
cfq-iosched: change dispatch logic to deal with single requests at the time
mflash: initial support
cciss: change to discover first memory BAR
cciss: kernel scan thread for MSA2012
cciss: fix residual count for block pc requests
block: fix inconsistency in I/O stat accounting code
block: elevator quiescing helpers
Diffstat (limited to 'drivers/block/loop.c')
| -rw-r--r-- | drivers/block/loop.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/block/loop.c b/drivers/block/loop.c index 40b17d3b55a1..ddae80825899 100644 --- a/drivers/block/loop.c +++ b/drivers/block/loop.c @@ -1431,6 +1431,7 @@ static int lo_open(struct block_device *bdev, fmode_t mode) static int lo_release(struct gendisk *disk, fmode_t mode) { struct loop_device *lo = disk->private_data; + int err; mutex_lock(&lo->lo_ctl_mutex); @@ -1442,7 +1443,9 @@ static int lo_release(struct gendisk *disk, fmode_t mode) * In autoclear mode, stop the loop thread * and remove configuration after last close. */ - loop_clr_fd(lo, NULL); + err = loop_clr_fd(lo, NULL); + if (!err) + goto out_unlocked; } else { /* * Otherwise keep thread (if running) and config, @@ -1453,7 +1456,7 @@ static int lo_release(struct gendisk *disk, fmode_t mode) out: mutex_unlock(&lo->lo_ctl_mutex); - +out_unlocked: return 0; } |