CID 1214617: dereference NULL return value. Change-Id: I57447c3b1663edadfa966892c53bc2a16d4a166f BUG: 789278 Signed-off-by: Sakshi Bansal <sabansal@redhat.com> Reviewed-on: http://review.gluster.org/9610 Reviewed-by: Niels de Vos <ndevos@redhat.com> Reviewed-by: Shyamsundar Ranganathan <srangana@redhat.com> Tested-by: Gluster Build System <jenkins@build.gluster.com>