As unlock_up() is written as for () { if (!path->locks[i]) break; ... if (... && path->locks[i]) { } }
Apparently, @path->locks[i] is always true at this 'if'. Signed-off-by: Liu Bo <bo....@linux.alibaba.com> --- fs/btrfs/ctree.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c index e619f7e01794..65dbebb8cc59 100644 --- a/fs/btrfs/ctree.c +++ b/fs/btrfs/ctree.c @@ -2330,7 +2330,7 @@ static noinline void unlock_up(struct btrfs_path *path, int level, no_skips = 1; t = path->nodes[i]; - if (i >= lowest_unlock && i > skip_level && path->locks[i]) { + if (i >= lowest_unlock && i > skip_level) { btrfs_tree_unlock_rw(t, path->locks[i]); path->locks[i] = 0; if (write_lock_level && -- 1.8.3.1 -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html