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sched: remove redundant NULL cgroup check in task_group_path()

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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>
This commit is contained in:
Li Zefan 2013-01-24 14:31:11 +08:00 committed by Tejun Heo
parent ace783b9bb
commit 2a73991b76
1 changed files with 0 additions and 7 deletions
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7
kernel/sched/debug.c
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@ -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;
}