blob: aea4e977d0f276af9101762d77bef8ee164f5d9a [file] [log] [blame]
From f346026e55f1efd3949a67ddd1dcea7c1b9a615e Mon Sep 17 00:00:00 2001
From: Christian Borntraeger <borntraeger@de.ibm.com>
Date: Wed, 3 Sep 2014 16:21:32 +0200
Subject: KVM: s390: unintended fallthrough for external call
From: Christian Borntraeger <borntraeger@de.ibm.com>
commit f346026e55f1efd3949a67ddd1dcea7c1b9a615e upstream.
We must not fallthrough if the conditions for external call are not met.
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
arch/s390/kvm/interrupt.c | 1 +
1 file changed, 1 insertion(+)
--- a/arch/s390/kvm/interrupt.c
+++ b/arch/s390/kvm/interrupt.c
@@ -71,6 +71,7 @@ static int __interrupt_is_deliverable(st
return 0;
if (vcpu->arch.sie_block->gcr[0] & 0x2000ul)
return 1;
+ return 0;
case KVM_S390_INT_EMERGENCY:
if (psw_extint_disabled(vcpu))
return 0;