diff --git a/[refs] b/[refs]
index 38751c46a372..8a5f3bc69089 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 7424713b83587006da72da84d7922471e366faba
+refs/heads/master: cc74f4bc111e9554bcd6445ad0fe1d90e5d2eb34
diff --git a/trunk/crypto/pcrypt.c b/trunk/crypto/pcrypt.c
index 7153a50bce27..794c172b99f7 100644
--- a/trunk/crypto/pcrypt.c
+++ b/trunk/crypto/pcrypt.c
@@ -82,6 +82,9 @@ static int pcrypt_do_parallel(struct padata_priv *padata, unsigned int *cb_cpu,
 	if (cpumask_test_cpu(cpu, cpumask->mask))
 			goto out;
 
+	if (!cpumask_weight(cpumask->mask))
+			goto out;
+
 	cpu_index = cpu % cpumask_weight(cpumask->mask);
 
 	cpu = cpumask_first(cpumask->mask);