1 files changed, 2 insertions, 8 deletions

diff --git a/kernel/sched/cputime.c b/kernel/sched/cputime.c
index 72fdf06ef865..3e52836359ba 100644
--- a/kernel/sched/cputime.c
+++ b/kernel/sched/cputime.c
@@ -294,18 +294,12 @@ void thread_group_cputime(struct task_struct *tsk, struct task_cputime *times)
         times->sum_exec_runtime = sig->sum_sched_runtime;
 
         rcu_read_lock();
-        /* make sure we can trust tsk->thread_group list */
-        if (!likely(pid_alive(tsk)))
-                goto out;
-
-        t = tsk;
-        do {
+        for_each_thread(tsk, t) {
                 task_cputime(t, &utime, &stime);
                 times->utime += utime;
                 times->stime += stime;
                 times->sum_exec_runtime += task_sched_runtime(t);
-        } while_each_thread(tsk, t);
-out:
+        }
         rcu_read_unlock();
 }