Merge tag 'md-3.3-fixes' of git://neil.brown.name/md

[platform/adaptation/renesas_rcar/renesas_kernel.git] / kernel / rcutree_plugin.h

diff --git a/kernel/rcutree_plugin.h b/kernel/rcutree_plugin.h
index f55f10b..8bb35d7 100644 (file)
--- a/kernel/rcutree_plugin.h
+++ b/kernel/rcutree_plugin.h
@@ -1232,7 +1232,8 @@ static int rcu_boost(struct rcu_node *rnp)
        rt_mutex_lock(&mtx);  /* Side effect: boosts task t's priority. */
        rt_mutex_unlock(&mtx);  /* Keep lockdep happy. */
 
-       return rnp->exp_tasks != NULL || rnp->boost_tasks != NULL;
+       return ACCESS_ONCE(rnp->exp_tasks) != NULL ||
+              ACCESS_ONCE(rnp->boost_tasks) != NULL;
 }
 
 /*