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=-20.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS, 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 5430AC433DB for ; Wed, 30 Dec 2020 06:27:14 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id B3904207B0 for ; Wed, 30 Dec 2020 06:27:13 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B3904207B0 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id D931F8D0081; Wed, 30 Dec 2020 01:27:12 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id D44168D007F; Wed, 30 Dec 2020 01:27:12 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id C59488D0081; Wed, 30 Dec 2020 01:27:12 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0031.hostedemail.com [216.40.44.31]) by kanga.kvack.org (Postfix) with ESMTP id B12878D007F for ; Wed, 30 Dec 2020 01:27:12 -0500 (EST) Received: from smtpin25.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id 754691EE6 for ; Wed, 30 Dec 2020 06:27:12 +0000 (UTC) X-FDA: 77648966304.25.hook94_5904011274a2 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin25.hostedemail.com (Postfix) with ESMTP id 4C5FF1804E3A0 for ; Wed, 30 Dec 2020 06:27:12 +0000 (UTC) X-HE-Tag: hook94_5904011274a2 X-Filterd-Recvd-Size: 3418 Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by imf40.hostedemail.com (Postfix) with ESMTP for ; Wed, 30 Dec 2020 06:27:10 +0000 (UTC) IronPort-SDR: +xbZ4E6goiTIMMhhIpHC431cN6nXjCFwVakkY1VMPb2ZX+e/NE2Ii7xAVmw2drkggltgvJQS57 2Z7Pptj+VmdQ== X-IronPort-AV: E=McAfee;i="6000,8403,9849"; a="173998008" X-IronPort-AV: E=Sophos;i="5.78,460,1599548400"; d="scan'208";a="173998008" Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Dec 2020 22:27:09 -0800 IronPort-SDR: VXiFduE3H6+63s6BkUdZSE0AfypznpTtaRlXuzNAW2J9M7zs1hv/TIuUeue/GJVXIY37mk6YRk XDmuMTktUwkQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.78,460,1599548400"; d="scan'208";a="344293808" Received: from lkp-server02.sh.intel.com (HELO 4242b19f17ef) ([10.239.97.151]) by orsmga003.jf.intel.com with ESMTP; 29 Dec 2020 22:27:06 -0800 Received: from kbuild by 4242b19f17ef with local (Exim 4.92) (envelope-from ) id 1kuUws-00044J-15; Wed, 30 Dec 2020 06:27:06 +0000 Date: Wed, 30 Dec 2020 14:26:07 +0800 From: kernel test robot To: Sam Ravnborg , David S Miller , sparclinux@vger.kernel.org, Andreas Larsson , Arnd Bergmann Cc: kbuild-all@lists.01.org, Alexey Dobriyan , Al Viro , Andrew Morton , Linux Memory Management List , Anshuman Khandual , Arvind Sankar Subject: [PATCH] sparc32: fix badzero.cocci warnings Message-ID: <20201230062607.GA28938@9652415528d2> References: <20201218184347.2180772-12-sam@ravnborg.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20201218184347.2180772-12-sam@ravnborg.org> X-Patchwork-Hint: ignore User-Agent: Mutt/1.10.1 (2018-07-13) X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: From: kernel test robot arch/sparc/mm/srmmu.c:317:42-43: WARNING comparing pointer to 0 arch/sparc/mm/srmmu.c:317:42-43: WARNING comparing pointer to 0 Compare pointer-typed values to NULL rather than 0 Semantic patch information: This makes an effort to choose between !x and x == NULL. !x is used if it has previously been used with the function used to initialize x. This relies on type information. More type information can be obtained using the option -all_includes and the option -I to specify an include path. Generated by: scripts/coccinelle/null/badzero.cocci CC: Sam Ravnborg Reported-by: kernel test robot Signed-off-by: kernel test robot --- url: https://github.com/0day-ci/linux/commits/Sam-Ravnborg/sparc32-sunset-sun4m-and-sun4d/20201219-025354 base: https://git.kernel.org/pub/scm/linux/kernel/git/soc/soc.git for-next srmmu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/arch/sparc/mm/srmmu.c +++ b/arch/sparc/mm/srmmu.c @@ -314,7 +314,7 @@ pgtable_t pte_alloc_one(struct mm_struct pte_t *ptep; struct page *page; - if ((ptep = pte_alloc_one_kernel(mm)) == 0) + if ((ptep = pte_alloc_one_kernel(mm)) == NULL) return NULL; page = pfn_to_page(__nocache_pa((unsigned long)ptep) >> PAGE_SHIFT); spin_lock(&mm->page_table_lock);