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authorChristian Borntraeger <borntraeger@de.ibm.com>2014-09-03 16:21:32 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-10-30 09:35:09 -0700
commit68249f03d07ff212ee1b0170450985d896378f88 (patch)
treedc5789ef72186e806d66b921a2a57f30da61d0dd
parent973af5283c036d199360a4f82ce442815bf5378b (diff)
KVM: s390: unintended fallthrough for external call
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>
-rw-r--r--arch/s390/kvm/interrupt.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/s390/kvm/interrupt.c b/arch/s390/kvm/interrupt.c
index 5c948177529e..bc79ab00536f 100644
--- a/arch/s390/kvm/interrupt.c
+++ b/arch/s390/kvm/interrupt.c
@@ -71,6 +71,7 @@ static int __interrupt_is_deliverable(struct kvm_vcpu *vcpu,
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;