[PATCH] btrfs: fix chunk map leak in btrfs_map_block() after btrfs_translate_remap()

[Mark Harmstone <mark@harmstone.com>]

If the call to btrfs_translate_remap() in btrfs_map_block() returns an
error code, we were leaking the chunk map. Fix it by jumping to out
rather than returning directly.

Signed-off-by: Mark Harmstone <mark@harmstone.com>
Fixes: 18ba64992871 ("btrfs: redirect I/O for remapped block groups")
Suggested-by: Chris Mason <clm@fb.com>
Link: https://lore.kernel.org/linux-btrfs/20260125125830.2352988-1-clm@meta.com/
---
 fs/btrfs/volumes.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 83e2834ea273..1bd3464ccdd8 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -7082,7 +7082,7 @@ int btrfs_map_block(struct btrfs_fs_info *fs_info, enum btrfs_map_op op,
 
 		ret = btrfs_translate_remap(fs_info, &new_logical, length);
 		if (ret)
-			return ret;
+			goto out;
 
 		if (new_logical != logical) {
 			btrfs_free_chunk_map(map);
-- 
2.52.0