diff --git a/[refs] b/[refs]
index bc9306bda1a8..3a14a0b0c314 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: a014741c0adfb8fb79952939ca087cf03d272bb9
+refs/heads/master: 1447399b3e34af016c368b4178db7ef0e04e15b0
diff --git a/trunk/fs/ioprio.c b/trunk/fs/ioprio.c
index 748cfb92dcc6..8def14e24c37 100644
--- a/trunk/fs/ioprio.c
+++ b/trunk/fs/ioprio.c
@@ -139,7 +139,12 @@ SYSCALL_DEFINE3(ioprio_set, int, which, int, who, int, ioprio)
 				break;
 
 			do_each_thread(g, p) {
-				if (__task_cred(p)->uid != who)
+				int match;
+
+				rcu_read_lock();
+				match = __task_cred(p)->uid == who;
+				rcu_read_unlock();
+				if (!match)
 					continue;
 				ret = set_task_ioprio(p, ioprio);
 				if (ret)
@@ -232,7 +237,12 @@ SYSCALL_DEFINE2(ioprio_get, int, which, int, who)
 				break;
 
 			do_each_thread(g, p) {
-				if (__task_cred(p)->uid != user->uid)
+				int match;
+
+				rcu_read_lock();
+				match = __task_cred(p)->uid == user->uid;
+				rcu_read_unlock();
+				if (!match)
 					continue;
 				tmpio = get_task_ioprio(p);
 				if (tmpio < 0)