From 3acf12ff5e7f41d63064fe8de98f9aea11f28f5d Mon Sep 17 00:00:00 2001
From: Daniel J Blueman <daniel.blueman@gmail.com>
Date: Tue, 9 Nov 2010 21:33:02 +0100
Subject: [PATCH] --- yaml --- r: 221828 b: refs/heads/master c:
 1447399b3e34af016c368b4178db7ef0e04e15b0 h: refs/heads/master v: v3

---
 [refs]            |  2 +-
 trunk/fs/ioprio.c | 14 ++++++++++++--
 2 files changed, 13 insertions(+), 3 deletions(-)

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)