Commit 2a73991b authored Jan 24, 2013 by Li Zefan Committed by Tejun Heo Jan 24, 2013

sched: remove redundant NULL cgroup check in task_group_path()



A task_group won't be online (thus no one can see it) until
cpu_cgroup_css_online(), and at that time tg->css.cgroup has
been initialized, so this NULL check is redundant.

Signed-off-by: Li Zefan <lizefan@huawei.com>
Signed-off-by: Tejun Heo <tj@kernel.org>

parent ace783b9

kernel/sched/debug.c

+0 −7

Original line number	Diff line number	Diff line
		@@ -110,13 +110,6 @@ static char task_group_path(struct task_group tg)
		if (autogroup_path(tg, group_path, PATH_MAX))
		return group_path;

		/*
		* May be NULL if the underlying cgroup isn't fully-created yet
		*/
		if (!tg->css.cgroup) {
		group_path[0] = '\0';
		return group_path;
		}
		cgroup_path(tg->css.cgroup, group_path, PATH_MAX);
		return group_path;
		}