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dm thin metadata: unlock superblock in init_pmd error path
author
Joe Thornber
<ejt@redhat.com>
Wed, 7 Mar 2012 19:09:43 +0000
(19:09 +0000)
committer
Alasdair G Kergon
<agk@redhat.com>
Wed, 7 Mar 2012 19:09:43 +0000
(19:09 +0000)
If dm_sm_disk_create() fails the superblock must be unlocked.
Signed-off-by: Joe Thornber <ejt@redhat.com>
Acked-by: Mike Snitzer <snitzer@redhat.com>
Cc: stable@kernel.org
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
drivers/md/dm-thin-metadata.c
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diff --git
a/drivers/md/dm-thin-metadata.c
b/drivers/md/dm-thin-metadata.c
index 13d964636d57438f99fe6ce806fcdd135eac218d..05b7ffc030edbf1223214245511353383ed79f8c 100644
(file)
--- a/
drivers/md/dm-thin-metadata.c
+++ b/
drivers/md/dm-thin-metadata.c
@@
-385,6
+385,7
@@
static int init_pmd(struct dm_pool_metadata *pmd,
data_sm = dm_sm_disk_create(tm, nr_blocks);
if (IS_ERR(data_sm)) {
DMERR("sm_disk_create failed");
+ dm_tm_unlock(tm, sblock);
r = PTR_ERR(data_sm);
goto bad;
}