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authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>2015-09-03 02:11:22 +0200
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>2015-09-04 03:13:10 +0200
commitdc3a04d551b5d21f1badbb39bfe8e5bc1289b184 (patch)
tree52fa90b97123f88e22d498e1676cf0c65431a96b
parentrcu,locking: Privatize smp_mb__after_unlock_lock() (diff)
downloadlinux-dc3a04d551b5d21f1badbb39bfe8e5bc1289b184.tar.xz
linux-dc3a04d551b5d21f1badbb39bfe8e5bc1289b184.zip
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>
-rw-r--r--security/device_cgroup.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/security/device_cgroup.c b/security/device_cgroup.c
index 73455089feef..03c1652c9a1f 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) {