init_task.cgroups is initialized at boot phase, and whenver a ask is forked, it's cgroups pointer is inherited from its parent, and it's never set to NULL afterwards. Signed-off-by: Li Zefan <lizefan@xxxxxxxxxx> --- kernel/cgroup.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/kernel/cgroup.c b/kernel/cgroup.c index 09c5869..5d4c92e 100644 --- a/kernel/cgroup.c +++ b/kernel/cgroup.c @@ -5011,8 +5011,7 @@ void cgroup_exit(struct task_struct *tsk, int run_callbacks) } task_unlock(tsk); - if (cg) - put_css_set_taskexit(cg); + put_css_set_taskexit(cg); } /** -- 1.8.0.2 -- To unsubscribe from this list: send the line "unsubscribe cgroups" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
