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

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

From: Wei Yongjun <[email protected]>

commit 09e8b813897a0f85bb401435d009228644c81214 upstream.

Return -ENOMEM instead of success if unable to allocate pending
exception mempool in snapshot_ctr.

Signed-off-by: Wei Yongjun <[email protected]>
Signed-off-by: Alasdair G Kergon <[email protected]>
Signed-off-by: Kamal Mostafa <[email protected]>
---
 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 df74f9f..900eb23 100644
--- a/drivers/md/dm-snap.c
+++ b/drivers/md/dm-snap.c
@@ -1119,6 +1119,7 @@ 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;
        }
 
-- 
1.8.1.2

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