KVM: s390: Fix incorrect return value

kvm_arch_vcpu_ioctl_run currently incorrectly always returns 0.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Carsten Otte <cotte@de.ibm.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index d3b1de8..d966137 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -497,7 +497,7 @@
 	vcpu_put(vcpu);
 
 	vcpu->stat.exit_userspace++;
-	return 0;
+	return rc;
 }
 
 static int __guestcopy(struct kvm_vcpu *vcpu, u64 guestdest, const void *from,