From patchwork Sat Sep 12 10:25:58 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zhenzhong Duan X-Patchwork-Id: 250293 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=-12.6 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham 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 7AB61C433E2 for ; Sat, 12 Sep 2020 10:27:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 40A1921D6C for ; Sat, 12 Sep 2020 10:27:25 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="nNZi/QPO" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725859AbgILK1Y (ORCPT ); Sat, 12 Sep 2020 06:27:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40492 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725833AbgILK1U (ORCPT ); Sat, 12 Sep 2020 06:27:20 -0400 Received: from mail-pg1-x542.google.com (mail-pg1-x542.google.com [IPv6:2607:f8b0:4864:20::542]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C125CC061573; Sat, 12 Sep 2020 03:27:19 -0700 (PDT) Received: by mail-pg1-x542.google.com with SMTP id m5so8161052pgj.9; Sat, 12 Sep 2020 03:27:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=MDZ5tcssoN7AbeNjNp+bLVbRjIJciCMr92xa5Hx/HY4=; b=nNZi/QPOo0AwKKxuth4gfBStBk+2tlBba7+k/2APtcsgykjdf9wSvxxN3TQLwVmlOz figSwPN80C7NwjRwMaZVyVYCRZyAS0QTEv/r1woDUXTcxGX2NdsLZmL5lXa2pRDQa3K8 oIm/XR7pFMYBFziXhzpNimhFax9cD+dqmaq0YVqoGzs9qLigylhsDMJib5J3MA6+q6sU X7mMzbx5NmFWjChZhaoMopScwe5HKKM+2JzAiMeo0KygmJRdKZPlliieCQF7vAzapiGk 8MY0vhND/ectdugWWQQFdoiWvbcmisZxkXHLjvxQ7JwE0BRFVilm2ZnYmDTrzbsXKcd1 ZLLQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=MDZ5tcssoN7AbeNjNp+bLVbRjIJciCMr92xa5Hx/HY4=; b=H9PaVVgl2LCTeWWy7cg9djcmEhULXNTjg6tRUFJfkHZEpfzxlkrql2Kjkjh+jHUiX+ t9u9+zQX1S1zANxAkMksex/ssERSP3enyRkONKvJZd6DOUH/ZJqEyubwhjW6U1ZGEiWN sLlmBZG1TsPczi25TrTYUgE2iy6k2EGCfp7Ib0nKufP+cVv7jsvqTJBSRrgcVaJ/EDNM YIzXOKaKVt7TcJB0arlbrwQU5K2e4uU1+7YEA8RH+gTZ4S3pHCmdNY4vGxqYL2P4XWIZ n65ex+cG0JpKcT5odFOqeSwK6b5PVWAbBKJ7UfHbYvPrW0TxLyPlTwoNvnNvgzHAeFGe aDwg== X-Gm-Message-State: AOAM530q8Pi/06g9QTjWCk90rmG/ZsQZr0e34z79Uymyl66EtXqxzm1w 8J+wcvxgZxn2fvL53307BmrndjwXkqo= X-Google-Smtp-Source: ABdhPJxxWnEKYjAbcCapguCSGmEUGdBpDiFLyNyEkVyiOZddIbZLkp/S9efbYDisB/iwqK5b/ZRk/w== X-Received: by 2002:aa7:961b:0:b029:13e:d13d:a140 with SMTP id q27-20020aa7961b0000b029013ed13da140mr5964208pfg.40.1599906438045; Sat, 12 Sep 2020 03:27:18 -0700 (PDT) Received: from ZB-PF0YQ8ZU.360buyad.local (f.a4.5177.ip4.static.sl-reverse.com. [119.81.164.15]) by smtp.gmail.com with ESMTPSA id g21sm4910276pfh.30.2020.09.12.03.27.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 12 Sep 2020 03:27:17 -0700 (PDT) From: Zhenzhong Duan To: linux-kernel@vger.kernel.org Cc: robdclark@gmail.com, sean@poorly.run, airlied@linux.ie, daniel@ffwll.ch, smasetty@codeaurora.org, jcrouse@codeaurora.org, jonathan@marek.ca, linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, Zhenzhong Duan Subject: [PATCH] drm/msm/a6xx: fix a potential overflow issue Date: Sat, 12 Sep 2020 18:25:58 +0800 Message-Id: <20200912102558.656-1-zhenzhong.duan@gmail.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org It's allocating an array of a6xx_gpu_state_obj structure rathor than its pointers. This patch fix it. Signed-off-by: Zhenzhong Duan Reviewed-by: Jordan Crouse Reviewed-by: Bjorn Andersson --- drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c index b12f5b4..e9ede19 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c @@ -875,7 +875,7 @@ static void a6xx_get_indexed_registers(struct msm_gpu *gpu, int i; a6xx_state->indexed_regs = state_kcalloc(a6xx_state, count, - sizeof(a6xx_state->indexed_regs)); + sizeof(*a6xx_state->indexed_regs)); if (!a6xx_state->indexed_regs) return;