diff --git a/[refs] b/[refs]
index 9bbd459672f9..4265f3c0af03 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 677c1dd706d9cc384730cbd52baf821923d8be9b
+refs/heads/master: 53cb780adbe69df90c8dc23e992ce40455e687c3
diff --git a/trunk/arch/s390/kvm/sigp.c b/trunk/arch/s390/kvm/sigp.c
index 36678835034d..0ef81d6776e9 100644
--- a/trunk/arch/s390/kvm/sigp.c
+++ b/trunk/arch/s390/kvm/sigp.c
@@ -169,7 +169,7 @@ static int __sigp_set_prefix(struct kvm_vcpu *vcpu, u16 cpu_addr, u32 address,
 			     unsigned long *reg)
 {
 	struct kvm_s390_float_interrupt *fi = &vcpu->kvm->arch.float_int;
-	struct kvm_s390_local_interrupt *li;
+	struct kvm_s390_local_interrupt *li = NULL;
 	struct kvm_s390_interrupt_info *inti;
 	int rc;
 	u8 tmp;
@@ -189,9 +189,10 @@ static int __sigp_set_prefix(struct kvm_vcpu *vcpu, u16 cpu_addr, u32 address,
 		return 2; /* busy */
 
 	spin_lock(&fi->lock);
-	li = fi->local_int[cpu_addr];
+	if (cpu_addr < KVM_MAX_VCPUS)
+		li = fi->local_int[cpu_addr];
 
-	if ((cpu_addr >= KVM_MAX_VCPUS) || (li == NULL)) {
+	if (li == NULL) {
 		rc = 1; /* incorrect state */
 		*reg &= SIGP_STAT_INCORRECT_STATE;
 		kfree(inti);