diff mbox

Btrfs: return errno if possible when we fail to allocate memory

Message ID 1368497535-15534-1-git-send-email-bo.li.liu@oracle.com (mailing list archive)
State New, archived
Headers show

Commit Message

Liu Bo May 14, 2013, 2:12 a.m. UTC 
We need to set return value explicitly, otherwise we'll lose the error
value.

Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
---
 fs/btrfs/inode.c |    8 ++++++--
 1 files changed, 6 insertions(+), 2 deletions(-)
diff mbox

Patch

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 1669c3b..99a9c25 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -714,8 +714,10 @@  retry:
 					async_extent->ram_size - 1, 0);
 
 		em = alloc_extent_map();
-		if (!em)
+		if (!em) {
+			ret = -ENOMEM;
 			goto out_free_reserve;
+		}
 		em->start = async_extent->start;
 		em->len = async_extent->ram_size;
 		em->orig_start = em->start;
@@ -922,8 +924,10 @@  static noinline int __cow_file_range(struct btrfs_trans_handle *trans,
 		}
 
 		em = alloc_extent_map();
-		if (!em)
+		if (!em) {
+			ret = -ENOMEM;
 			goto out_reserve;
+		}
 		em->start = start;
 		em->orig_start = em->start;
 		ram_size = ins.offset;