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

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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.

Reported-by: Chris Mason <clm@fb.com>
Link: https://lore.kernel.org/linux-btrfs/20260125125830.2352988-1-clm@meta.com/
Fixes: 18ba649928 ("btrfs: redirect I/O for remapped block groups")
Reviewed-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: Mark Harmstone <mark@harmstone.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Mark Harmstone 2026-02-20 12:52:56 +00:00 committed by David Sterba
parent f15fb3d415
commit 54b9395b18
1 changed files with 1 additions and 1 deletions
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2
fs/btrfs/volumes.c
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@ -6907,7 +6907,7 @@ 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);