Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755535AbcJNM20 (ORCPT ); Fri, 14 Oct 2016 08:28:26 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:40915 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755292AbcJNM1v (ORCPT ); Fri, 14 Oct 2016 08:27:51 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Dan Carpenter , Alexander Graf , Paul Mackerras Subject: [PATCH 4.8 17/37] KVM: PPC: BookE: Fix a sanity check Date: Fri, 14 Oct 2016 14:27:03 +0200 Message-Id: <20161014122552.181917130@linuxfoundation.org> X-Mailer: git-send-email 2.10.0 In-Reply-To: <20161014122549.411962735@linuxfoundation.org> References: <20161014122549.411962735@linuxfoundation.org> User-Agent: quilt/0.64 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1033 Lines: 33 4.8-stable review patch. If anyone has any objections, please let me know. ------------------ From: Dan Carpenter commit ac0e89bb4744d3882ccd275f2416d9ce22f4e1e7 upstream. We use logical negate where bitwise negate was intended. It means that we never return -EINVAL here. Fixes: ce11e48b7fdd ('KVM: PPC: E500: Add userspace debug stub support') Signed-off-by: Dan Carpenter Reviewed-by: Alexander Graf Signed-off-by: Paul Mackerras Signed-off-by: Greg Kroah-Hartman --- arch/powerpc/kvm/booke.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/arch/powerpc/kvm/booke.c +++ b/arch/powerpc/kvm/booke.c @@ -2038,7 +2038,7 @@ int kvm_arch_vcpu_ioctl_set_guest_debug( if (type == KVMPPC_DEBUG_NONE) continue; - if (type & !(KVMPPC_DEBUG_WATCH_READ | + if (type & ~(KVMPPC_DEBUG_WATCH_READ | KVMPPC_DEBUG_WATCH_WRITE | KVMPPC_DEBUG_BREAKPOINT)) return -EINVAL;