From 09e8b813897a0f85bb401435d009228644c81214 Mon Sep 17 00:00:00 2001
From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Date: Fri, 10 May 2013 14:37:15 +0100
Subject: [PATCH] dm snapshot: fix error return code in snapshot_ctr
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>
---
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 c0e07026a8d136..c434e5aab2dfc9 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;
}
--
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