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)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sun, 19 May 2013 18:38:17 +0000 (11:38 -0700)
commit62253ab07cbbb924ba69cbb4e050b42b008a6884
tree109723051840711ca95fb168e19c97b94b83f43b
parent8f9341a6a18470c0e91ba23c82612c6237c68562
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>
drivers/md/dm-snap.c