[08/65] dm snapshot: fix error return code in snapshot_ctr

Steven Rostedt
2013-06-03T22:22:00Z

[-- Attachment #1: 0008-dm-snapshot-fix-error-return-code-in-snapshot_ctr.patch --]
[-- Type: text/plain, Size: 1038 bytes --]

3.6.11.5 stable review patch.
If anyone has any objections, please let me know.

------------------

From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>

[ Upstream commit 09e8b813897a0f85bb401435d009228644c81214 ]

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>
Cc: stable@vger.kernel.org
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
drivers/md/dm-snap.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c
index a143921..456ef7a 100644
--- a/drivers/md/dm-snap.c
+++ b/drivers/md/dm-snap.c
@@ -1117,6 +1117,7 @@ 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;
}

--
1.7.10.4