| From | Greg Kroah-Hartman <> | Subject | [PATCH 3.10 06/43] KVM: s390: unintended fallthrough for external call | Date | Tue, 28 Oct 2014 11:36:04 +0800 |
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3.10-stable review patch. If anyone has any objections, please let me know.
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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;
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