diff mbox series

[29/42] btrfs: handle initial btrfs_cow_block error in replace_path

Message ID 43ce1615429c6b3aeb25e9a78e650faef8ea8852.1605215646.git.josef@toxicpanda.com (mailing list archive)
State New, archived
Headers show
Series Cleanup error handling in relocation | expand

Commit Message

Josef Bacik Nov. 12, 2020, 9:18 p.m. UTC 
If we error out cow'ing the root node when doing a replace_path then we
simply unlock and free the buffer and return the error.

Signed-off-by: Josef Bacik <josef@toxicpanda.com>
---
 fs/btrfs/relocation.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c
index 2d1aab778fb6..07092d7a4d0e 100644
--- a/fs/btrfs/relocation.c
+++ b/fs/btrfs/relocation.c
@@ -1222,7 +1222,11 @@  int replace_path(struct btrfs_trans_handle *trans, struct reloc_control *rc,
 	if (cow) {
 		ret = btrfs_cow_block(trans, dest, eb, NULL, 0, &eb,
 				      BTRFS_NESTING_COW);
-		BUG_ON(ret);
+		if (ret) {
+			btrfs_tree_unlock(eb);
+			free_extent_buffer(eb);
+			return ret;
+		}
 	}
 
 	if (next_key) {