summaryrefslogtreecommitdiff
path: root/fs/btrfs
diff options
context:
space:
mode:
authorNaohiro Aota <naohiro.aota@wdc.com>2023-12-21 19:46:16 +0300
committerDavid Sterba <dsterba@suse.com>2024-01-12 03:59:59 +0300
commitd967c914a633ee797255261808720f791b658f24 (patch)
treec16b9c6a139ea1ad3e70c49f0c35d89477c291e9 /fs/btrfs
parentf03e274a8b29d1d1c1bbd7f764766cb5ca537ab7 (diff)
downloadlinux-d967c914a633ee797255261808720f791b658f24.tar.xz
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.c2
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,