{"id":740525,"url":"http://patchwork.ozlabs.org/api/patches/740525/?format=json","web_url":"http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20170317204113.GA16505@mwanda/","project":{"id":2,"url":"http://patchwork.ozlabs.org/api/projects/2/?format=json","name":"Linux PPC development","link_name":"linuxppc-dev","list_id":"linuxppc-dev.lists.ozlabs.org","list_email":"linuxppc-dev@lists.ozlabs.org","web_url":"https://github.com/linuxppc/wiki/wiki","scm_url":"https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git","webscm_url":"https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/","list_archive_url":"https://lore.kernel.org/linuxppc-dev/","list_archive_url_format":"https://lore.kernel.org/linuxppc-dev/{}/","commit_url_format":"https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/commit/?id={}"},"msgid":"<20170317204113.GA16505@mwanda>","list_archive_url":"https://lore.kernel.org/linuxppc-dev/20170317204113.GA16505@mwanda/","date":"2017-03-17T20:41:14","name":"KVM: PPC: Book3S HV: check for kmalloc errors in ioctl","commit_ref":null,"pull_url":null,"state":"accepted","archived":false,"hash":"51f9d7134274ad57da154811dddd004d28d023e7","submitter":{"id":9327,"url":"http://patchwork.ozlabs.org/api/people/9327/?format=json","name":"Dan Carpenter","email":"dan.carpenter@oracle.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20170317204113.GA16505@mwanda/mbox/","series":[],"comments":"http://patchwork.ozlabs.org/api/patches/740525/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/740525/checks/","tags":{},"related":[],"headers":{"Return-Path":"","X-Original-To":["patchwork-incoming@ozlabs.org","linuxppc-dev@lists.ozlabs.org"],"Delivered-To":["patchwork-incoming@ozlabs.org","linuxppc-dev@lists.ozlabs.org"],"Received":["from lists.ozlabs.org (lists.ozlabs.org [103.22.144.68])\n\t(using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3vlHNF37Hfz9ryZ\n\tfor ;\n\tSat, 18 Mar 2017 07:42:53 +1100 (AEDT)","from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3])\n\tby lists.ozlabs.org (Postfix) with ESMTP id 3vlHNF29GCzDqcl\n\tfor ;\n\tSat, 18 Mar 2017 07:42:53 +1100 (AEDT)","from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256\n\tbits)) (No client certificate requested)\n\tby lists.ozlabs.org (Postfix) with ESMTPS id 3vlHM93TMQzDqZH\n\tfor ;\n\tSat, 18 Mar 2017 07:41:57 +1100 (AEDT)","from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71])\n\tby aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with\n\tESMTP id v2HKfgFC023116\n\t(version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256\n\tverify=OK); Fri, 17 Mar 2017 20:41:43 GMT","from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236])\n\tby userv0021.oracle.com (8.14.4/8.14.4) with ESMTP id\n\tv2HKfcv9028620\n\t(version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256\n\tverify=OK); Fri, 17 Mar 2017 20:41:38 GMT","from abhmp0001.oracle.com (abhmp0001.oracle.com [141.146.116.7])\n\tby aserv0122.oracle.com (8.14.4/8.14.4) with ESMTP id v2HKfYEW026505; \n\tFri, 17 Mar 2017 20:41:34 GMT","from mwanda (/154.0.138.2) by default (Oracle Beehive Gateway v4.0)\n\twith ESMTP ; Fri, 17 Mar 2017 13:41:34 -0700"],"Date":"Fri, 17 Mar 2017 23:41:14 +0300","From":"Dan Carpenter ","To":"Paolo Bonzini ,\n\tDavid Gibson ","Subject":"[patch] KVM: PPC: Book3S HV: check for kmalloc errors in ioctl","Message-ID":"<20170317204113.GA16505@mwanda>","MIME-Version":"1.0","Content-Type":"text/plain; charset=us-ascii","Content-Disposition":"inline","User-Agent":"Mutt/1.6.0 (2016-04-01)","X-Source-IP":"userv0021.oracle.com [156.151.31.71]","X-BeenThere":"linuxppc-dev@lists.ozlabs.org","X-Mailman-Version":"2.1.23","Precedence":"list","List-Id":"Linux on PowerPC Developers Mail List\n\t","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Cc":"kvm@vger.kernel.org, Radim =?utf-8?B?S3LEjW3DocWZ?= ,\n\tkernel-janitors@vger.kernel.org, kvm-ppc@vger.kernel.org,\n\tPaul Mackerras , linuxppc-dev@lists.ozlabs.org,\n\tAlexander Graf ","Errors-To":"linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org","Sender":"\"Linuxppc-dev\"\n\t"},"content":"kzalloc() won't actually fail because sizeof(*resize) is small, but\nstatic checkers complain.\n\nSigned-off-by: Dan Carpenter ","diff":"diff --git a/arch/powerpc/kvm/book3s_64_mmu_hv.c b/arch/powerpc/kvm/book3s_64_mmu_hv.c\nindex 8c68145ba1bd..710e491206ed 100644\n--- a/arch/powerpc/kvm/book3s_64_mmu_hv.c\n+++ b/arch/powerpc/kvm/book3s_64_mmu_hv.c\n@@ -1487,6 +1487,10 @@ long kvm_vm_ioctl_resize_hpt_prepare(struct kvm *kvm,\n \t/* start new resize */\n \n \tresize = kzalloc(sizeof(*resize), GFP_KERNEL);\n+\tif (!resize) {\n+\t\tret = -ENOMEM;\n+\t\tgoto out;\n+\t}\n \tresize->order = shift;\n \tresize->kvm = kvm;\n \tINIT_WORK(&resize->work, resize_hpt_prepare_work);\n","prefixes":[]}