xfs: dont ignore error code from xfs_bmbt_update

Fix a case in xfs_bmap_add_extent_unwritten_real where we aren't
passing the returned error on.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Alex Elder <aelder@sgi.com>

1 files changed, 3 insertions, 2 deletions

diff --git a/fs/xfs/xfs_bmap.c b/fs/xfs/xfs_bmap.c
index 2b31945ce9fe..bb31d37bf49b 100644
--- a/fs/xfs/xfs_bmap.c
+++ b/fs/xfs/xfs_bmap.c
@@ -1217,10 +1217,11 @@ xfs_bmap_add_extent_unwritten_real(
                                 goto done;
                         if ((error = xfs_btree_decrement(cur, 0, &i)))
                                 goto done;
-                        if (xfs_bmbt_update(cur, LEFT.br_startoff,
+                        error = xfs_bmbt_update(cur, LEFT.br_startoff,
                                 LEFT.br_startblock,
                                 LEFT.br_blockcount + new->br_blockcount,
-                                LEFT.br_state))
+                                LEFT.br_state);
+                        if (error)
                                 goto done;
                 }
                 break;