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authorChristian Borntraeger <borntraeger@de.ibm.com>2014-09-03 16:21:32 +0200
committerChristian Borntraeger <borntraeger@de.ibm.com>2014-09-10 12:19:30 +0200
commitf346026e55f1efd3949a67ddd1dcea7c1b9a615e (patch)
tree6158503aff304c4ad5c242587033d90c716c0e21
parent0349985add77ef5c9da8a75f4a9855977f4197d9 (diff)
downloadlinux-f346026e55f1efd3949a67ddd1dcea7c1b9a615e.tar.bz2
KVM: s390: unintended fallthrough for external call
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> Cc: stable@vger.kernel.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 d56da1db8ba0..4abf819a11a5 100644
--- a/arch/s390/kvm/interrupt.c
+++ b/arch/s390/kvm/interrupt.c
@@ -86,6 +86,7 @@ static int __must_check __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;