We need to unlock log_root_tree->log_mutex in case of an error.
Fixes: 122cfba0d2eb ("btrfs: reorder log node allocation")
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Reported-by: Julia Lawall <julia.lawall@xxxxxxx>
Signed-off-by: Naohiro Aota <naohiro.aota@xxxxxxx>
---
fs/btrfs/tree-log.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index 1dd7e34fe484..ed101420934c 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -3164,6 +3164,7 @@ int btrfs_sync_log(struct btrfs_trans_handle *trans,
ret = btrfs_alloc_log_tree_node(trans, log_root_tree);
if (ret) {
mutex_unlock(&fs_info->tree_log_mutex);
+ mutex_unlock(&log_root_tree->log_mutex);
goto out;
}
}
--
2.30.0
