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| author |  Naohiro Aota <naohiro.aota@wdc.com>
| 2023-12-22 01:46:16 +0900 |
|---|---|---|
| committer |  David Sterba <dsterba@suse.com>
| 2024-01-12 01:59:59 +0100 |
| commit | d967c914a633ee797255261808720f791b658f24 (patch) | |
| tree | c16b9c6a139ea1ad3e70c49f0c35d89477c291e9 /fs/btrfs | |
| parent | btrfs: ref-verify: free ref cache before clearing mount opt (diff) | |
| download | linux-d967c914a633ee797255261808720f791b658f24.tar.gz linux-d967c914a633ee797255261808720f791b658f24.tar.bz2 linux-d967c914a633ee797255261808720f791b658f24.zip | |
btrfs: fix unbalanced unlock of mapping_tree_lock
The error path of btrfs_get_chunk_map() releases
fs_info->mapping_tree_lock. But, it is taken and released in
btrfs_find_chunk_map(). So, there is no need to do so.
Fixes: 7dc66abb5a47 ("btrfs: use a dedicated data structure for chunk maps")
Signed-off-by: Naohiro Aota <naohiro.aota@wdc.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs')
| -rw-r--r-- | fs/btrfs/volumes.c | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index 4c32497311d2..d67785be2c77 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -3087,7 +3087,6 @@ struct btrfs_chunk_map *btrfs_get_chunk_map(struct btrfs_fs_info *fs_info, map = btrfs_find_chunk_map(fs_info, logical, length); if (unlikely(!map)) { - read_unlock(&fs_info->mapping_tree_lock); btrfs_crit(fs_info, "unable to find chunk map for logical %llu length %llu", logical, length); @@ -3095,7 +3094,6 @@ struct btrfs_chunk_map *btrfs_get_chunk_map(struct btrfs_fs_info *fs_info, } if (unlikely(map->start > logical || map->start + map->chunk_len <= logical)) { - read_unlock(&fs_info->mapping_tree_lock); btrfs_crit(fs_info, "found a bad chunk map, wanted %llu-%llu, found %llu-%llu", logical, logical + length, map->start, |