Btrfs: return error to caller when btrfs_unlink() failes
When btrfs_unlink_inode() and btrfs_orphan_add() in btrfs_unlink()
are error, the error code is returned to the caller instead of
BUG_ON().
Signed-off-by: Tsutomu Itoh <t-itoh@jp.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 55bddffe..db2057f 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -7201,7 +7201,8 @@
inode = lookup_free_space_inode(root, block_group, path);
if (!IS_ERR(inode)) {
- btrfs_orphan_add(trans, inode);
+ ret = btrfs_orphan_add(trans, inode);
+ BUG_ON(ret);
clear_nlink(inode);
/* One for the block groups ref */
spin_lock(&block_group->lock);