ARM: dtsi: rk3228: add psci support

[firefly-linux-kernel-4.4.55.git] / kernel / cpuset.c

diff --git a/kernel/cpuset.c b/kernel/cpuset.c
index d9dd521ddd6b3417ab630fd16f60f60bfff27017..067750bbdad8c753020ccb7afcbe60a43a84d729 100644 (file)
--- a/kernel/cpuset.c
+++ b/kernel/cpuset.c
@@ -1153,7 +1153,13 @@ done:
 
 int current_cpuset_is_being_rebound(void)
 {
-       return task_cs(current) == cpuset_being_rebound;
+       int ret;
+
+       rcu_read_lock();
+       ret = task_cs(current) == cpuset_being_rebound;
+       rcu_read_unlock();
+
+       return ret;
 }
 
 static int update_relax_domain_level(struct cpuset *cs, s64 val)