diff --git a/[refs] b/[refs]
index d5d11502516a..5644ecce03ef 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 6e6f1b307e23201fb3e7aaf16322e80355d2a3d5
+refs/heads/master: ab4d2986e44c589aa1b647d7da5e21c2707babea
diff --git a/trunk/kernel/srcu.c b/trunk/kernel/srcu.c
index 3e43a214b4dc..7cf5baba96f9 100644
--- a/trunk/kernel/srcu.c
+++ b/trunk/kernel/srcu.c
@@ -282,12 +282,8 @@ static int srcu_readers_active(struct srcu_struct *sp)
  */
 void cleanup_srcu_struct(struct srcu_struct *sp)
 {
-	int sum;
-
-	sum = srcu_readers_active(sp);
-	WARN_ON(sum);  /* Leakage unless caller handles error. */
-	if (sum != 0)
-		return;
+	if (WARN_ON(srcu_readers_active(sp)))
+		return; /* Leakage unless caller handles error. */
 	free_percpu(sp->per_cpu_ref);
 	sp->per_cpu_ref = NULL;
 }