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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D72B0C433F5 for ; Wed, 2 Mar 2022 11:34:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232035AbiCBLer (ORCPT ); Wed, 2 Mar 2022 06:34:47 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44888 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229744AbiCBLer (ORCPT ); Wed, 2 Mar 2022 06:34:47 -0500 Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AA5E090262; Wed, 2 Mar 2022 03:34:03 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1646220843; x=1677756843; h=from:to:cc:subject:in-reply-to:references:date: message-id:mime-version:content-transfer-encoding; bh=y0e0DF3MspqEl8ha55uPDWvf5C90XzgSbIFCc/ooqro=; b=ezVyZ1D7Zfz2c8J/yUro6LfBlK1Lq5TQ76h4WYGsXrWqVQq+MPrYVKYp aR62JaDCIPz4txxZKEs6oCK6d/StYYgyUCjP7v52hRn+yTkCB7oOyxpXS heZCpJJKR9MoqfkIRWmF2zYwBxHyQTQvga4OEqR3idxM0AWcITLiqS+Dm Lq9/Cyxiyq1q2bwl0zthIoz17uK2hxVWbSreMqMYQZTO+zQLUq9E0Ns1v z5Ty79t4p9oHUOa36Irlve/Bak87AE0jbog3d3jDeAA84PkF89VzLBye1 s9JNTT6lY3w77TAicfHpM/YUPea9w9Vxl4QiECWgNdWZ3MCgk2uodaF2q Q==; X-IronPort-AV: E=McAfee;i="6200,9189,10273"; a="236889972" X-IronPort-AV: E=Sophos;i="5.90,148,1643702400"; d="scan'208";a="236889972" Received: from orsmga006.jf.intel.com ([10.7.209.51]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 02 Mar 2022 03:34:03 -0800 X-IronPort-AV: E=Sophos;i="5.90,148,1643702400"; d="scan'208";a="510975615" Received: from ijpoole-mobl.ger.corp.intel.com (HELO localhost) ([10.252.1.10]) by orsmga006-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 02 Mar 2022 03:33:59 -0800 From: Jani Nikula To: CA+G9fYu4PPE6_91mzor0bW7RSzBDNJ3xqqgeeK-jR1jokmhYOQ@mail.gmail.com, dri-devel@lists.freedesktop.org, open list , Linux-Next Mailing List Cc: David Airlie , Daniel Vetter , Lyude Paul , ville.syrjala@linux.intel.com, airlied@redhat.com, dianders@chromium.org, tzimmermann@suse.de, sfr@canb.auug.org.au, lkft-triage@lists.linaro.org, Kees Cook Subject: Re: MSM8960: gpu/drm/dp/drm_dp.c:59:27: warning: array subscript 10 is outside, array bounds of 'const u8[6]' In-Reply-To: <8e13f51a-845b-1fdf-11ea-6053f7d8df9e@gmail.com> Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo References: <8e13f51a-845b-1fdf-11ea-6053f7d8df9e@gmail.com> Date: Wed, 02 Mar 2022 13:33:56 +0200 Message-ID: <87ee3k6123.fsf@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-next@vger.kernel.org On Tue, 01 Mar 2022, Rudraksha Gupta wrote: > Hi all, > > > I am getting this warning when compiling the kernel for the MSM8960 with= =20 > this defconfig:=20 > https://raw.githubusercontent.com/apq8064-mainline/linux/qcom-apq8064-nex= t/arch/arm/configs/qcom_apq8064_defconfig > > > Warning: > > ../drivers/gpu/drm/dp/drm_dp.c: In function=20 > 'drm_dp_get_adjust_request_post_cursor': > ../drivers/gpu/drm/dp/drm_dp.c:59:27: warning: array subscript 10 is=20 > outside array bounds of 'const u8[6]' {aka 'const unsigned char[6]'}=20 > [-Warray-bounds] > =C2=A0=C2=A0 59 |=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 return= link_status[r - DP_LANE0_1_STATUS]; > =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 ~~~~~~~~~~~^~~~~~~~~~~~= ~~~~~~~~~~~ > ../drivers/gpu/drm/dp/drm_dp.c:210:51: note: while referencing 'link_stat= us' > =C2=A0 210 | u8 drm_dp_get_adjust_request_post_cursor(const u8=20 > link_status[DP_LINK_STATUS_SIZE], > =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 | ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~= ~~ > Please see https://lore.kernel.org/r/20220225035610.2552144-3-keescook@chro= mium.org BR, Jani. --=20 Jani Nikula, Intel Open Source Graphics Center