cgroup: remove a NULL check in cgroup_exit()

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@huawei.com> Signed-off-by: Tejun Heo <tj@kernel.org>
git-mirror · Jan 24, 2013 · b5d646f · b5d646f
1 parent 2739d3c
commit b5d646f
Showing 1 changed file with 1 addition and 2 deletions.
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
@@ -4994,8 +4994,7 @@ 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);
 }
 
 /**