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=-9.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable 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 A75C2C43461 for ; Tue, 15 Sep 2020 00:34:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 68755208E4 for ; Tue, 15 Sep 2020 00:34:16 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="ROVNsuRW" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726137AbgIOAeP (ORCPT ); Mon, 14 Sep 2020 20:34:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46816 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725997AbgIOAeL (ORCPT ); Mon, 14 Sep 2020 20:34:11 -0400 Received: from mail-qv1-xf43.google.com (mail-qv1-xf43.google.com [IPv6:2607:f8b0:4864:20::f43]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 05B05C061788 for ; Mon, 14 Sep 2020 17:34:09 -0700 (PDT) Received: by mail-qv1-xf43.google.com with SMTP id z18so944085qvp.6 for ; Mon, 14 Sep 2020 17:34:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=AMXsdcZMtd3r1FAfIZIVxJFPK/4+jeZlRHiiC+6VWdk=; b=ROVNsuRWiqNko5m4zp2frC9gpRSRjLNxQ2XVgBVyG7ZkgUHlYq2dfKhGAeTtqctAla T568uN4UtbeHz76/tSras7chrithr6p88yF4RpgN3Q5nrJVVsGqiCGWqcm2FHUC4ta7Z 174HVWM7lKsoqMexzIvdMIYs2bLddMlpwr/TjHY053jSn83tRqpJfrcUh5/bbmFP5aAQ fk/wzSCnysKVOGZiEo2cgmDUhClOP8PXnQ4QxL8Aw7Wd8WeQW7BES/E0HDW8PEXSQXqI j2BSAzT+lMR+cb1wLOgtTRPNUCLT6+vsI/vQGjWIXmi1B1McVe+p3pbLQwl38nLxu8AC M1Dw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=AMXsdcZMtd3r1FAfIZIVxJFPK/4+jeZlRHiiC+6VWdk=; b=AVI268lj6pZ1nNgZvfk6+tEDhHFyfiUGciaFv+xr0blZXVddd3XYXVikXarpjAoG19 K9DXLLUQ4zFbfDI2NRDLNPHv61ryYkFjzp4pa5RU4lReAqZSjFwaMhiKM2tO4yjEqqKW I2KFI4RDFQpJkjOChFCU44hchqTWziAWKmMg+pB9BJO4mH99cPbuNvE/ok2yOYbDkatD 8uZH5KcrQYqVgcUehji24iiHLO20sGVc1ewT0W2zv+z0vBcybQb+ZZEswoxQXmIlP9BU 9vbhVFzy4V3CauZs+tqXADQlYZdoTXSKqpSTDkNOPmUsm9t0AXDyxNaeiIf7ESyodMiL XFTw== X-Gm-Message-State: AOAM530mpZRjRujcVONwZ8zv+vMnbbYZWZhHB6aPjgZkFb0Xtgwb3jMx Kq5WVZO6rApB1pZ1hZ6A1fqyyw== X-Google-Smtp-Source: ABdhPJx7isSw104HWsxh6GBnxwl7osGdt42xeZrstCu8XtSctGKh5I5nX9suDSQ1TbA7by279WI5JA== X-Received: by 2002:a0c:9142:: with SMTP id q60mr16094189qvq.13.1600130049049; Mon, 14 Sep 2020 17:34:09 -0700 (PDT) Received: from uller (ec2-34-197-84-77.compute-1.amazonaws.com. [34.197.84.77]) by smtp.gmail.com with ESMTPSA id c13sm14830849qtq.5.2020.09.14.17.34.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 14 Sep 2020 17:34:08 -0700 (PDT) Date: Tue, 15 Sep 2020 00:34:06 +0000 From: Bjorn Andersson To: Zhenzhong Duan Cc: linux-kernel@vger.kernel.org, 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 Subject: Re: [PATCH] drm/msm/a6xx: fix a potential overflow issue Message-ID: <20200915003406.GC471@uller> References: <20200912102558.656-1-zhenzhong.duan@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200912102558.656-1-zhenzhong.duan@gmail.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat 12 Sep 10:25 UTC 2020, Zhenzhong Duan wrote: > It's allocating an array of a6xx_gpu_state_obj structure rathor than > its pointers. > > This patch fix it. > Reviewed-by: Bjorn Andersson > Signed-off-by: Zhenzhong Duan > --- > 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; > > -- > 1.8.3.1 >