Merge branch 'mh/simplify-cache-tree-find'

* mh/simplify-cache-tree-find: cache_tree_find(): use path variable when passing over slashes cache_tree_find(): remove early return cache_tree_find(): remove redundant check cache_tree_find(): fix comment formatting cache_tree_find(): find the end of path component using strchrnul() cache_tree_find(): remove redundant checks