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=-12.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 3A06DC4727E for ; Wed, 7 Oct 2020 15:57:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DC6AC20789 for ; Wed, 7 Oct 2020 15:57:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1602086248; bh=G0lgH6he/DahzFqP5FRpqz/WY6rYK4qxxqp6/q4ygxk=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=egQ25WNVIPYGlh/vDQTqwUrKJr3WvpjJ+DM1GIz4Dhs8diH+CSjfy4pKSRDdrBmoE nf6oGsJefhxg3b7zS2pZ4KSKfo7yJDu1UK0vS9hFUAjfQIxK7+aS9OCliJLvIkEg6N xlll00ZicxEpIgH1gk3xLolQ/L5TcDo+EMBZYbv8= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728878AbgJGP51 (ORCPT ); Wed, 7 Oct 2020 11:57:27 -0400 Received: from mail.kernel.org ([198.145.29.99]:43494 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726129AbgJGP51 (ORCPT ); Wed, 7 Oct 2020 11:57:27 -0400 Received: from embeddedor (187-162-31-110.static.axtel.net [187.162.31.110]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 02FE520789; Wed, 7 Oct 2020 15:57:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1602086247; bh=G0lgH6he/DahzFqP5FRpqz/WY6rYK4qxxqp6/q4ygxk=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=vLK1rIEQ31Dxq3kj3L07dUw6bF7o4F6aLSLq8v7grzY4RqA2P9ZAZZaGETC41vSRC /IUbAntDwdlho+44fbct2gXqcEyfaPFy+g8H5qjYqB5eUp+JxZKyjIvJ1dLPiLPkDP aL1TkMNAYUDAmqTujHdh9EGn/mt87necPjCVlJRY= Date: Wed, 7 Oct 2020 11:03:27 -0500 From: "Gustavo A. R. Silva" To: linux-kernel@vger.kernel.org Cc: linux-hardening@vger.kernel.org, Alex Deucher , Christian =?iso-8859-1?Q?K=F6nig?= , David Airlie , Daniel Vetter , amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, "Gustavo A. R. Silva" Subject: [PATCH 02/14] drm/amd/pm: Replace one-element array with flexible-array member in struct vi_dpm_table Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: Mutt/1.9.4 (2018-02-28) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org There is a regular need in the kernel to provide a way to declare having a dynamically sized set of trailing elements in a structure. Kernel code should always use “flexible array members”[1] for these cases. The older style of one-element or zero-length arrays should no longer be used[2]. Use a flexible-array member in struct vi_dpm_table instead of a one-element array. [1] https://en.wikipedia.org/wiki/Flexible_array_member [2] https://www.kernel.org/doc/html/v5.9-rc1/process/deprecated.html#zero-length-and-one-element-arrays Build-tested-by: kernel test robot Link: https://lore.kernel.org/lkml/5f7c433c.TTk9rnA+F58kyDUy%25lkp@intel.com/ Signed-off-by: Gustavo A. R. Silva --- drivers/gpu/drm/amd/pm/inc/hwmgr.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/pm/inc/hwmgr.h b/drivers/gpu/drm/amd/pm/inc/hwmgr.h index a1dbfd5636e6..d68b547743e6 100644 --- a/drivers/gpu/drm/amd/pm/inc/hwmgr.h +++ b/drivers/gpu/drm/amd/pm/inc/hwmgr.h @@ -60,7 +60,7 @@ struct vi_dpm_level { struct vi_dpm_table { uint32_t count; - struct vi_dpm_level dpm_level[1]; + struct vi_dpm_level dpm_level[]; }; #define PCIE_PERF_REQ_REMOVE_REGISTRY 0 -- 2.27.0