From dc3a04d551b5d21f1badbb39bfe8e5bc1289b184 Mon Sep 17 00:00:00 2001
From: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Date: Wed, 2 Sep 2015 17:11:22 -0700
Subject: security/device_cgroup: Fix RCU_LOCKDEP_WARN() condition

f78f5b90c4ff ("rcu: Rename rcu_lockdep_assert() to RCU_LOCKDEP_WARN()")
introduced a bug by incorrectly inverting the condition when moving from
rcu_lockdep_assert() to RCU_LOCKDEP_WARN().  This commit therefore fixes
the inversion.

Reported-by: Felipe Balbi <balbi@ti.com>
Reported-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: Serge Hallyn <serge.hallyn@canonical.com>
Tested-by: Josh Boyer <jwboyer@fedoraproject.org>
---
 security/device_cgroup.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'security')

diff --git a/security/device_cgroup.c b/security/device_cgroup.c
index 73455089..03c1652 100644
--- a/security/device_cgroup.c
+++ b/security/device_cgroup.c
@@ -401,7 +401,7 @@ static bool verify_new_ex(struct dev_cgroup *dev_cgroup,
 	bool match = false;
 
 	RCU_LOCKDEP_WARN(!rcu_read_lock_held() &&
-			 lockdep_is_held(&devcgroup_mutex),
+			 !lockdep_is_held(&devcgroup_mutex),
 			 "device_cgroup:verify_new_ex called without proper synchronization");
 
 	if (dev_cgroup->behavior == DEVCG_DEFAULT_ALLOW) {
-- 
cgit v1.1