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authorAlasdair G Kergon <agk@redhat.com>2006-11-09 01:44:43 (GMT)
committerLinus Torvalds <torvalds@g5.osdl.org>2006-11-09 02:29:23 (GMT)
commitd287483d6d7a2d5b313aee155285f89b57d9cd4a (patch)
tree63c0a47618b9efb465c6abb584a93214e0850485 /drivers/md/dm.c
parentbfc5ecdf48b529f6a2bd98ba26bfac39ca8cd8a5 (diff)
downloadlinux-d287483d6d7a2d5b313aee155285f89b57d9cd4a.tar.xz
[PATCH] dm: suspend: fix error path
If the device is already suspended, just return the error and skip the code that would incorrectly wipe md->suspended_bdev. (This isn't currently a problem because existing code avoids calling this function if the device is already suspended.) Signed-off-by: Alasdair G Kergon <agk@redhat.com> Cc: <dm-devel@redhat.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/md/dm.c')
-rw-r--r--drivers/md/dm.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index b5764a8..fc4f743 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -1285,7 +1285,7 @@ int dm_suspend(struct mapped_device *md, int do_lockfs)
down(&md->suspend_lock);
if (dm_suspended(md))
- goto out;
+ goto out_unlock;
map = dm_get_table(md);
@@ -1361,6 +1361,8 @@ out:
}
dm_table_put(map);
+
+out_unlock:
up(&md->suspend_lock);
return r;
}