dm snapshot: fix error return code in snapshot_ctr
authorWei Yongjun <yongjun_wei@trendmicro.com.cn>
Fri, 10 May 2013 13:37:15 +0000 (14:37 +0100)
committerBen Hutchings <ben@decadent.org.uk>
Thu, 30 May 2013 13:34:56 +0000 (14:34 +0100)
commit7dbae28560d16704190ba198fb7b5a070f49427c
treea5df2533d5c47877b67a0361e38e159629e12bcd
parent6911aeee972aecf791394c1ab668804d6cad066f
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: Ben Hutchings <ben@decadent.org.uk>
drivers/md/dm-snap.c