KVM: s390: Fix incorrect return value

kvm_arch_vcpu_ioctl_run currently incorrectly always returns 0.
Signed-off-by: NHeiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: NCarsten Otte <cotte@de.ibm.com>
Signed-off-by: NAvi Kivity <avi@qumranet.com>

arch/s390/kvm/kvm-s390.c

@@ -497,7 +497,7 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
 	vcpu_put(vcpu);
 
 	vcpu->stat.exit_userspace++;
-	return 0;
+	return rc;
 }
 
 static int __guestcopy(struct kvm_vcpu *vcpu, u64 guestdest, const void *from,