From: Milan Broz <mbroz@redhat.com>

Fix ENOMEM error sign.

Signed-off-by: Milan Broz <mbroz@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---

 drivers/md/dm-snap.c |    2 +-
 1 files changed, 1 insertion(+), 1 deletion(-)

diff -puN drivers/md/dm-snap.c~dm-snapshot-fix-invalidation-enomem drivers/md/dm-snap.c
--- a/drivers/md/dm-snap.c~dm-snapshot-fix-invalidation-enomem
+++ a/drivers/md/dm-snap.c
@@ -1034,7 +1034,7 @@ static int __origin_write(struct list_he
 
 		pe = __find_pending_exception(snap, bio);
 		if (!pe) {
-			__invalidate_snapshot(snap, pe, ENOMEM);
+			__invalidate_snapshot(snap, pe, -ENOMEM);
 			goto next_snapshot;
 		}
 
_