From patchwork Wed Feb 12 18:54:00 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kurz X-Patchwork-Id: 11378985 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id DC774139A for ; Wed, 12 Feb 2020 18:56:22 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id BCFAD2073C for ; Wed, 12 Feb 2020 18:56:22 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BCFAD2073C Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=kaod.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:42082 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j1xBN-0001se-VX for patchwork-qemu-devel@patchwork.kernel.org; Wed, 12 Feb 2020 13:56:22 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:56787) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j1x9D-0007Fa-Pi for qemu-devel@nongnu.org; Wed, 12 Feb 2020 13:54:09 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1j1x9C-0001Hc-Rv for qemu-devel@nongnu.org; Wed, 12 Feb 2020 13:54:07 -0500 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:58074 helo=mx0a-001b2d01.pphosted.com) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1j1x9C-0001HT-N5 for qemu-devel@nongnu.org; Wed, 12 Feb 2020 13:54:06 -0500 Received: from pps.filterd (m0098414.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 01CInWSV139346 for ; Wed, 12 Feb 2020 13:54:06 -0500 Received: from e06smtp07.uk.ibm.com (e06smtp07.uk.ibm.com [195.75.94.103]) by mx0b-001b2d01.pphosted.com with ESMTP id 2y4bp9kn9y-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Wed, 12 Feb 2020 13:54:06 -0500 Received: from localhost by e06smtp07.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Wed, 12 Feb 2020 18:54:01 -0000 Received: from d06av23.portsmouth.uk.ibm.com (d06av23.portsmouth.uk.ibm.com [9.149.105.59]) by b06avi18878370.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 01CIs1o438863314 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 12 Feb 2020 18:54:01 GMT Received: from d06av23.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 0DF6FA4055; Wed, 12 Feb 2020 18:54:01 +0000 (GMT) Received: from d06av23.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id D375BA404D; Wed, 12 Feb 2020 18:54:00 +0000 (GMT) Received: from bahia.lan (unknown [9.145.71.236]) by d06av23.portsmouth.uk.ibm.com (Postfix) with ESMTP; Wed, 12 Feb 2020 18:54:00 +0000 (GMT) Subject: [PATCH 1/3] pnv/phb3: Convert 1u to 1ull From: Greg Kurz To: David Gibson Date: Wed, 12 Feb 2020 19:54:00 +0100 In-Reply-To: <158153363409.3229002.13469293798150754920.stgit@bahia.lan> References: <158153363409.3229002.13469293798150754920.stgit@bahia.lan> User-Agent: StGit/unknown-version MIME-Version: 1.0 X-TM-AS-GCONF: 00 x-cbid: 20021218-0028-0000-0000-000003D9F3A0 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 20021218-0029-0000-0000-0000249E6802 Message-Id: <158153364010.3229002.8004283672455615950.stgit@bahia.lan> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138, 18.0.572 definitions=2020-02-12_08:2020-02-12, 2020-02-12 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 clxscore=1034 mlxscore=0 impostorscore=0 bulkscore=0 suspectscore=0 malwarescore=0 mlxlogscore=876 priorityscore=1501 phishscore=0 adultscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2001150001 definitions=main-2002120134 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] X-Received-From: 148.163.158.5 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell , qemu-ppc@nongnu.org, qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" As reported by Coverity defect CID 1419397, the 'j' variable goes up to 63 and shouldn't be used to left shift a 32-bit integer. The result of the operation goes to a 64-bit integer : use a 64-bit constant. Reported-by: Coverity CID 1419397 Bad bit shift operation Fixes: 9ae1329ee2fe "ppc/pnv: Add models for POWER8 PHB3 PCIe Host bridge" Signed-off-by: Greg Kurz --- hw/pci-host/pnv_phb3_msi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/pci-host/pnv_phb3_msi.c b/hw/pci-host/pnv_phb3_msi.c index ecfc1b2c4e3d..d645468f4a6f 100644 --- a/hw/pci-host/pnv_phb3_msi.c +++ b/hw/pci-host/pnv_phb3_msi.c @@ -220,7 +220,7 @@ static void phb3_msi_resend(ICSState *ics) if ((msi->rba[i] & (1ull << j)) == 0) { continue; } - msi->rba[i] &= ~(1u << j); + msi->rba[i] &= ~(1ull << j); phb3_msi_try_send(msi, i * 64 + j, true); } }