diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/cgroup.h | 15 |
1 files changed, 3 insertions, 12 deletions
diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h index b8bcbdeb2eac..b622d6608605 100644 --- a/include/linux/cgroup.h +++ b/include/linux/cgroup.h @@ -569,20 +569,11 @@ static inline bool cgroup_is_descendant(struct cgroup *cgrp, static inline struct cgroup *cgroup_ancestor(struct cgroup *cgrp, int ancestor_level) { - struct cgroup *ptr; - if (cgrp->level < ancestor_level) return NULL; - - for (ptr = cgrp; - ptr && ptr->level > ancestor_level; - ptr = cgroup_parent(ptr)) - ; - - if (ptr && ptr->level == ancestor_level) - return ptr; - - return NULL; + while (cgrp && cgrp->level > ancestor_level) + cgrp = cgroup_parent(cgrp); + return cgrp; } /** |