rcu: Rename rcu_lockdep_assert() to RCU_LOCKDEP_WARN()

This commit renames rcu_lockdep_assert() to RCU_LOCKDEP_WARN() for
consistency with the WARN() series of macros.  This also requires
inverting the sense of the conditional, which this commit also does.

Reported-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: Ingo Molnar <mingo@kernel.org>
diff --git a/security/device_cgroup.c b/security/device_cgroup.c
index 188c1d2..73455089 100644
--- a/security/device_cgroup.c
+++ b/security/device_cgroup.c
@@ -400,9 +400,9 @@
 {
 	bool match = false;
 
-	rcu_lockdep_assert(rcu_read_lock_held() ||
-			   lockdep_is_held(&devcgroup_mutex),
-			   "device_cgroup:verify_new_ex called without proper synchronization");
+	RCU_LOCKDEP_WARN(!rcu_read_lock_held() &&
+			 lockdep_is_held(&devcgroup_mutex),
+			 "device_cgroup:verify_new_ex called without proper synchronization");
 
 	if (dev_cgroup->behavior == DEVCG_DEFAULT_ALLOW) {
 		if (behavior == DEVCG_DEFAULT_ALLOW) {