Received: from mgamail.intel.com (mgamail.intel.com [134.134.136.126]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 953233FFB for ; Tue, 28 Nov 2023 06:09:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="kmRZ/vUI" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1701151787; x=1732687787; h=date:from:to:cc:subject:message-id:mime-version; bh=Ux2yTW174dy0ItVWsmlblbLPC2lUWDkBrgGsdblMLaU=; b=kmRZ/vUIgJjcJi82itUBrSxiZWCfLlSV0i8WZ4Vr7waJBG6fCgj1ihXf VKuRbWXDT4zlwJFxcammwvP8s47zF2MAbe8FzEWFFAOYgcSJf6WUbQpjc zFs/NwM0HWQDfXY0QR5e7xwPJY4rxYsgVQ07ZlHJ6+9zV3SGt/lrb0ruG C2wrFCFNbP4ieaxm+2tKor+3HiZNAqObK5/ZjWqT58f2+ipE2XMThwPAv i5agS2UfB31Mvx7+/vgaMAfdgvpK8Mc/DF6K6/d0JuRCNVQHCfu/5/WfC tNCXa711x622kIZBcYFmqgRiO8K5httzGwdtcfYrKDHAodsXKs0RP5wyY Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10907"; a="377886156" X-IronPort-AV: E=Sophos;i="6.04,233,1695711600"; d="scan'208";a="377886156" Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Nov 2023 22:09:44 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10907"; a="1015815292" X-IronPort-AV: E=Sophos;i="6.04,233,1695711600"; d="scan'208";a="1015815292" Received: from lkp-server01.sh.intel.com (HELO d584ee6ebdcc) ([10.239.97.150]) by fmsmga006.fm.intel.com with ESMTP; 27 Nov 2023 22:09:42 -0800 Received: from kbuild by d584ee6ebdcc with local (Exim 4.96) (envelope-from ) id 1r7rHw-00076R-2E; Tue, 28 Nov 2023 06:09:40 +0000 Date: Tue, 28 Nov 2023 14:09:08 +0800 From: kernel test robot To: oe-kbuild@lists.linux.dev Cc: lkp@intel.com, Dan Carpenter Subject: drivers/crypto/stm32/stm32-crc32.c:108 stm32_crc_get_next_crc() warn: can 'crc' even be NULL? Message-ID: <202311281111.ou2oUL2i-lkp@intel.com> Precedence: bulk X-Mailing-List: oe-kbuild@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline BCC: lkp@intel.com CC: oe-kbuild-all@lists.linux.dev CC: linux-kernel@vger.kernel.org TO: Alexandre Torgue tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: df60cee26a2e3d937a319229e335cb3f9c1f16d2 commit: 9e4e24414cc6b45bd887d746a59691e295431ddf arm64: introduce STM32 family on Armv8 architecture date: 6 months ago :::::: branch date: 2 hours ago :::::: commit date: 6 months ago config: arm64-randconfig-r081-20231127 (https://download.01.org/0day-ci/archive/20231128/202311281111.ou2oUL2i-lkp@intel.com/config) compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project.git f28c006a5895fc0e329fe15fead81e37457cb1d1) reproduce: (https://download.01.org/0day-ci/archive/20231128/202311281111.ou2oUL2i-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Reported-by: Dan Carpenter | Closes: https://lore.kernel.org/r/202311281111.ou2oUL2i-lkp@intel.com/ smatch warnings: drivers/crypto/stm32/stm32-crc32.c:108 stm32_crc_get_next_crc() warn: can 'crc' even be NULL? drivers/crypto/stm32/stm32-hash.c:1168 stm32_hash_irq_thread() warn: inconsistent indenting vim +/crc +108 drivers/crypto/stm32/stm32-crc32.c b51dbe90912a0c drivers/crypto/stm32/stm32_crc32.c Fabien DESSENNE 2017-03-21 101 10b89c43a64eb0 drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 102 static struct stm32_crc *stm32_crc_get_next_crc(void) b51dbe90912a0c drivers/crypto/stm32/stm32_crc32.c Fabien DESSENNE 2017-03-21 103 { b51dbe90912a0c drivers/crypto/stm32/stm32_crc32.c Fabien DESSENNE 2017-03-21 104 struct stm32_crc *crc; b51dbe90912a0c drivers/crypto/stm32/stm32_crc32.c Fabien DESSENNE 2017-03-21 105 b51dbe90912a0c drivers/crypto/stm32/stm32_crc32.c Fabien DESSENNE 2017-03-21 106 spin_lock_bh(&crc_list.lock); 49c2c082e00e0b drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 107 crc = list_first_entry(&crc_list.dev_list, struct stm32_crc, list); 10b89c43a64eb0 drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 @108 if (crc) 10b89c43a64eb0 drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 109 list_move_tail(&crc->list, &crc_list.dev_list); b51dbe90912a0c drivers/crypto/stm32/stm32_crc32.c Fabien DESSENNE 2017-03-21 110 spin_unlock_bh(&crc_list.lock); b51dbe90912a0c drivers/crypto/stm32/stm32_crc32.c Fabien DESSENNE 2017-03-21 111 10b89c43a64eb0 drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 112 return crc; 10b89c43a64eb0 drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 113 } 10b89c43a64eb0 drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 114 :::::: The code at line 108 was first introduced by commit :::::: 10b89c43a64eb0d236903b79a3bc9d8f6cbfd9c7 crypto: stm32/crc32 - fix multi-instance :::::: TO: Nicolas Toromanoff :::::: CC: Herbert Xu -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki