From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 350D5C433B4 for ; Tue, 13 Apr 2021 14:58:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 19EC7613B3 for ; Tue, 13 Apr 2021 14:58:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345348AbhDMO6w (ORCPT ); Tue, 13 Apr 2021 10:58:52 -0400 Received: from youngberry.canonical.com ([91.189.89.112]:58486 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239754AbhDMO6t (ORCPT ); Tue, 13 Apr 2021 10:58:49 -0400 Received: from mail-ej1-f71.google.com ([209.85.218.71]) by youngberry.canonical.com with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.86_2) (envelope-from ) id 1lWKUm-0005Dg-Oz for linux-kernel@vger.kernel.org; Tue, 13 Apr 2021 14:58:28 +0000 Received: by mail-ej1-f71.google.com with SMTP id l25so594616ejr.16 for ; Tue, 13 Apr 2021 07:58:28 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=vfeZqV0xjG4QFWbYQYxvJCmGV3BWK86EFet28LdHCaY=; b=nSmRuFYG3kNWv0qit9hWGnLQdWvOCZNY1d/P3HZC8RRzi23fGBdAGbPc1Qi+QDZJpe e30wLH+/rKIreQGiKG3eZGKX5xMmOCJsLWEpL9BCE54p5NwYcAfQg7dXxT0vdHLrMBTP g7QOZTOnFjY8lHTKZ6VzXWOsK5MyaATSW12zOwIgo0AO7mBAqZxEwrfa9dhLBx6e2y/C pu7kXdKm/+3eFwm3vMV9TFse0MaM7OznfVecbTUMXRC+1pHd3C1V9kfFIdmP0HLdwTtf NYBT8IYyKdbJGJFYjlahVBGTHSxodXnq6bRZVH0HFeqAltfv3nif02esaO29utiNPuyv /98A== X-Gm-Message-State: AOAM531EgsypR0E3L+JEB1t8+T/FN3F85W8iwjab8xPHl4Npx1Op7Biy +SWeKweqKEn9qoA9gMZ6n5fBW/AP9aGO6K7XSXyBukCo6AKganzA63Y/3UuTUbQVNYKQZ01syA9 ISXq7sWmIcebN538mThAV7hJ7mbiPfsU2R1PyTV+pow== X-Received: by 2002:a17:906:5da:: with SMTP id t26mr31830814ejt.21.1618325908521; Tue, 13 Apr 2021 07:58:28 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwzIUNQDs50I1K4hFsBuCH4hWVCgUJSoLaMmz97SzR+8OSWUxXcWsPq4sSIxMNaSNz5+K6LMw== X-Received: by 2002:a17:906:5da:: with SMTP id t26mr31830810ejt.21.1618325908417; Tue, 13 Apr 2021 07:58:28 -0700 (PDT) Received: from localhost.localdomain (xdsl-188-155-192-147.adslplus.ch. [188.155.192.147]) by smtp.gmail.com with ESMTPSA id p3sm4395217ejd.65.2021.04.13.07.58.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 13 Apr 2021 07:58:28 -0700 (PDT) From: Krzysztof Kozlowski To: Lad Prabhakar , Sergei Shtylyov , linux-kernel@vger.kernel.org, Krzysztof Kozlowski Subject: Re: [PATCH] memory: renesas-rpc-if: fix possible NULL pointer dereference of resource Date: Tue, 13 Apr 2021 16:58:22 +0200 Message-Id: <161832589345.71964.9811013028966064079.b4-ty@canonical.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210407154357.70200-1-krzysztof.kozlowski@canonical.com> References: <20210407154357.70200-1-krzysztof.kozlowski@canonical.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 7 Apr 2021 17:43:57 +0200, Krzysztof Kozlowski wrote: > The platform_get_resource_byname() can return NULL which would be > immediately dereferenced by resource_size(). Instead dereference it > after validating the resource. Applied, thanks! [1/1] memory: renesas-rpc-if: fix possible NULL pointer dereference of resource commit: 59e27d7c94aa02da039b000d33c304c179395801 Best regards, -- Krzysztof Kozlowski