From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760455AbbA1ENw (ORCPT ); Tue, 27 Jan 2015 23:13:52 -0500 Received: from mail.kernel.org ([198.145.29.136]:36749 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760417AbbA1ENt (ORCPT ); Tue, 27 Jan 2015 23:13:49 -0500 From: lizf@kernel.org To: stable@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Christian Borntraeger , Zefan Li Subject: [PATCH 3.4 006/177] KVM: s390: unintended fallthrough for external call Date: Wed, 28 Jan 2015 12:06:19 +0800 Message-Id: <1422418236-12852-12-git-send-email-lizf@kernel.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1422418050-12581-1-git-send-email-lizf@kernel.org> References: <1422418050-12581-1-git-send-email-lizf@kernel.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Christian Borntraeger 3.4.106-rc1 review patch. If anyone has any objections, please let me know. ------------------ commit f346026e55f1efd3949a67ddd1dcea7c1b9a615e upstream. We must not fallthrough if the conditions for external call are not met. Signed-off-by: Christian Borntraeger Reviewed-by: Thomas Huth Signed-off-by: Zefan Li --- arch/s390/kvm/interrupt.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/s390/kvm/interrupt.c b/arch/s390/kvm/interrupt.c index 10e13b3..df69bcb 100644 --- a/arch/s390/kvm/interrupt.c +++ b/arch/s390/kvm/interrupt.c @@ -43,6 +43,7 @@ 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; -- 1.9.1