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-rw-r--r--kernel/sched.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/kernel/sched.c b/kernel/sched.c
index 79893123325c..db5c26692dd5 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -6873,7 +6873,7 @@ SYSCALL_DEFINE2(sched_rr_get_interval, pid_t, pid,
6873 return -EINVAL; 6873 return -EINVAL;
6874 6874
6875 retval = -ESRCH; 6875 retval = -ESRCH;
6876 read_lock(&tasklist_lock); 6876 rcu_read_lock();
6877 p = find_process_by_pid(pid); 6877 p = find_process_by_pid(pid);
6878 if (!p) 6878 if (!p)
6879 goto out_unlock; 6879 goto out_unlock;
@@ -6886,13 +6886,13 @@ SYSCALL_DEFINE2(sched_rr_get_interval, pid_t, pid,
6886 time_slice = p->sched_class->get_rr_interval(rq, p); 6886 time_slice = p->sched_class->get_rr_interval(rq, p);
6887 task_rq_unlock(rq, &flags); 6887 task_rq_unlock(rq, &flags);
6888 6888
6889 read_unlock(&tasklist_lock); 6889 rcu_read_unlock();
6890 jiffies_to_timespec(time_slice, &t); 6890 jiffies_to_timespec(time_slice, &t);
6891 retval = copy_to_user(interval, &t, sizeof(t)) ? -EFAULT : 0; 6891 retval = copy_to_user(interval, &t, sizeof(t)) ? -EFAULT : 0;
6892 return retval; 6892 return retval;
6893 6893
6894out_unlock: 6894out_unlock:
6895 read_unlock(&tasklist_lock); 6895 rcu_read_unlock();
6896 return retval; 6896 return retval;
6897} 6897}
6898 6898