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authorWei Yongjun <yongjun_wei@trendmicro.com.cn>2013-05-10 14:37:15 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-05-19 10:04:37 -0700
commit37cc8ba179a6e326d9074b23e8bccdf4cadd6b58 (patch)
tree2ab368c58968112f4788bf5b614e793947a3e0ce
parent94adafe60f4a1ed621da67dde6cc457fd5255e18 (diff)
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dm snapshot: fix error return code in snapshot_ctr
commit 09e8b813897a0f85bb401435d009228644c81214 upstream. Return -ENOMEM instead of success if unable to allocate pending exception mempool in snapshot_ctr. Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: Alasdair G Kergon <agk@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/md/dm-snap.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c
index 9ecff5f..f3e632a 100644
--- a/drivers/md/dm-snap.c
+++ b/drivers/md/dm-snap.c
@@ -1121,6 +1121,7 @@ static int snapshot_ctr(struct dm_target *ti, unsigned int argc, char **argv)
s->pending_pool = mempool_create_slab_pool(MIN_IOS, pending_cache);
if (!s->pending_pool) {
ti->error = "Could not allocate mempool for pending exceptions";
+ r = -ENOMEM;
goto bad_pending_pool;
}