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=-7.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 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 BC611C47247 for ; Tue, 5 May 2020 16:08:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A23D3206A4 for ; Tue, 5 May 2020 16:08:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729289AbgEEQIk (ORCPT ); Tue, 5 May 2020 12:08:40 -0400 Received: from mga17.intel.com ([192.55.52.151]:15558 "EHLO mga17.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728804AbgEEQIk (ORCPT ); Tue, 5 May 2020 12:08:40 -0400 IronPort-SDR: /KlQygJ35N16zWxdr3DP6dGaVCAfw9TTpebR/kpEWOSloa5dWhFLzxmLCGARKGNsLETk8RuDlI 1QdGrrjM2UDQ== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 May 2020 09:08:39 -0700 IronPort-SDR: tgbAVapRBB6JIOk0B2uOROiorBQLh4mv4ID14N42bIb5ifp85UIZdjREN4BLIyBSZ/znz8tAiB URoZXT0rNa2Q== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.73,355,1583222400"; d="scan'208";a="284302668" Received: from lkp-server01.sh.intel.com (HELO lkp-server01) ([10.239.97.150]) by fmsmga004.fm.intel.com with ESMTP; 05 May 2020 09:08:37 -0700 Received: from kbuild by lkp-server01 with local (Exim 4.89) (envelope-from ) id 1jW07Y-000CXf-Dg; Wed, 06 May 2020 00:08:36 +0800 Date: Wed, 6 May 2020 00:07:37 +0800 From: kbuild test robot To: Laurent Pinchart , linux-media@vger.kernel.org Cc: kbuild-all@lists.01.org, Kieran Bingham , Jacopo Mondi , Niklas =?iso-8859-1?Q?S=F6derlund?= , Naushir Patuck , Dave Stevenson Subject: Re: [PATCH v2 15/34] staging: mmal-vchiq: Use vc-sm-cma to support zero copy Message-ID: <202005060033.fVqn7hFL%lkp@intel.com> References: <20200504092611.9798-16-laurent.pinchart@ideasonboard.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200504092611.9798-16-laurent.pinchart@ideasonboard.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Hi Laurent, I love your patch! Perhaps something to improve: [auto build test WARNING on linus/master] [also build test WARNING on v5.7-rc4] [cannot apply to linuxtv-media/master anholt/for-next next-20200505] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Laurent-Pinchart/Drivers-for-the-BCM283x-CSI-2-CCP2-receiver-and-ISP/20200505-054310 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 9851a0dee7c28514f149f7e4f60ec1b06286cc1b reproduce: # apt-get install sparse # sparse version: v0.6.1-191-gc51a0382-dirty make ARCH=x86_64 allmodconfig make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot sparse warnings: (new ones prefixed by >>) >> drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c:1796:36: sparse: sparse: Using plain integer as NULL pointer drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c:472:48: sparse: sparse: non size-preserving integer to pointer cast vim +1796 drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c 1779 1780 int mmal_vchi_buffer_cleanup(struct mmal_buffer *buf) 1781 { 1782 struct mmal_msg_context *msg_context = buf->msg_context; 1783 1784 if (msg_context) 1785 release_msg_context(msg_context); 1786 buf->msg_context = NULL; 1787 1788 if (buf->vcsm_handle) { 1789 int ret; 1790 1791 pr_debug("%s: vc_sm_cma_free on handle %p\n", __func__, 1792 buf->vcsm_handle); 1793 ret = vc_sm_cma_free(buf->vcsm_handle); 1794 if (ret) 1795 pr_err("%s: vcsm_free failed, ret %d\n", __func__, ret); > 1796 buf->vcsm_handle = 0; 1797 } 1798 return 0; 1799 } 1800 EXPORT_SYMBOL_GPL(mmal_vchi_buffer_cleanup); 1801 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org