Messages in this thread | | | Date | Wed, 12 Feb 2014 15:52:20 +0800 | From | Li Zefan <> | Subject | Re: [PATCH 6/8] cgroup: remove cgroup->name |
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> diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c > index dd52e7f..30eee3b 100644 > --- a/kernel/sched/debug.c > +++ b/kernel/sched/debug.c > @@ -111,8 +111,7 @@ static char *task_group_path(struct task_group *tg) > if (autogroup_path(tg, group_path, PATH_MAX)) > return group_path; > > - cgroup_path(tg->css.cgroup, group_path, PATH_MAX); > - return group_path; > + return cgroup_path(tg->css.cgroup, group_path, PATH_MAX);
The caller won't check the return value but pass it to printk/seq_printf, but now cgroup_path() might return -ENAMETOOLONG..
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