Commit dc3a04d5 authored Sep 02, 2015 by Paul E. McKenney

security/device_cgroup: Fix RCU_LOCKDEP_WARN() condition



f78f5b90 ("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>

parent 12d560f4

security/device_cgroup.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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) {