From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.17]) (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 284D9485CC7 for ; Wed, 23 Sep 2026 16:05:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.17 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790179511; cv=none; b=kvGQDoXwusLCAu34rNwb8fc81GZwm7aBLi86zr1hcPoxbRf7E5ZbDEgCtCcCIFUhFm5bFCyxtVJzAm5CFwr9xQxAJGU+AUisCcLNQXz6wpz9Ww/a4JRrcNxTaQb5RL0Faifi+Mm2eEg0Lvvg9MS7neWonOMbMURz7OIUTk/D2/g= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790179511; c=relaxed/simple; bh=3r2ep7MyQ1xMq0JXiHOcKXeCFY8BVZMhGcRmFK2JpkQ=; h=Date:From:To:Cc:Subject:Message-ID; b=te4GflEkOtdnYmR4rGxIvdfu+UQvvcRiobdpdR7JuE3sDtQGFQoYQShJ6LVfyeP3BRUmgJcMzn2RnSfSlRgFjVm168cUHQAyY3ku+9LoeNI0SRfY+cCrNoLpx0L17v9/g6JFl6GBV6VWgDdjccqEsl/8ev9rBOSHopduIsBa1PQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=dSSAACHQ; arc=none smtp.client-ip=192.198.163.17 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="dSSAACHQ" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1790179510; x=1821715510; h=date:from:to:cc:subject:message-id; bh=3r2ep7MyQ1xMq0JXiHOcKXeCFY8BVZMhGcRmFK2JpkQ=; b=dSSAACHQsgbJl1E2BfRXZCzq14iDzd7zM3ANJblECvDgEm2ZTRba1BJy zzlKf1IY57PJnEpVyw8fIy4/09vVsmrIkaT8s6b0TdekL+LfGGLLLR3zJ OKcACEyVgZGdxk7O6KfGdv55IuXLfD7CAUCzsmnv9oJCmw/3xeAhwDwJt RmBCFjWTw8DKc1a9PTM7y4CZPXdRxFwehQvCalcCkNRU37iC1tClutAcU 4xMdNPn/raIs7OYX6FBCOmCqImlFBgVhT9C8eg9CNbkTWl29kDUXuphtt DlUXXPaiHOWG2lo5Od8vXUPWYJtRvJG6R35qgKbtRkdAwBwBtwYfsAHe2 w==; X-CSE-ConnectionGUID: UDedZRiqSPaSjaJsnLNN2g== X-CSE-MsgGUID: Ak+BV4ChTge+bOCdJteMXw== X-IronPort-AV: E=McAfee;i="6800,10657,11914"; a="90759368" X-IronPort-AV: E=Sophos;i="6.27,118,1787036400"; d="scan'208";a="90759368" Received: from fmviesa012.fm.intel.com ([10.60.135.152]) by fmvoesa111.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Sep 2026 09:04:58 -0700 X-CSE-ConnectionGUID: gJDP9fMORS+cDiS0d7f03Q== X-CSE-MsgGUID: CQomTzJbSfKa1DgDCKi3sA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,118,1787036400"; d="scan'208";a="4779470" Received: from igk-lkp-server01.igk.intel.com (HELO 1bbc298b9a73) ([10.211.93.152]) by fmviesa012.fm.intel.com with ESMTP; 23 Sep 2026 09:04:58 -0700 Received: from kbuild by 1bbc298b9a73 with local (Exim 4.98.2) (envelope-from ) id 1x9PSp-000000000jj-2mDF; Wed, 23 Sep 2026 16:04:55 +0000 Date: Wed, 23 Sep 2026 18:03:57 +0200 From: kernel test robot To: oe-kbuild@lists.linux.dev Cc: lkp@intel.com, Dan Carpenter Subject: drivers/crypto/ti/dthev2-common.c:44 dthe_get_dev() warn: can 'dev_data' even be NULL? Message-ID: <202609231840.kAb2aFiZ-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: oe-kbuild@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: BCC: lkp@intel.com CC: oe-kbuild-all@lists.linux.dev CC: linux-kernel@vger.kernel.org TO: Herbert Xu tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: fe2ec83746e501645709761605c2464a44fd2929 commit: 35c5097f737a164b3afe23d07698db95061f0db8 crypto: ti - Enable compile testing for dthev2 date: 1 year, 1 month ago :::::: branch date: 23 hours ago :::::: commit date: 1 year, 1 month ago config: m68k-randconfig-r2201-20260923 (https://download.01.org/0day-ci/archive/20260923/202609231840.kAb2aFiZ-lkp@intel.com/config) compiler: m68k-linux-gcc (GCC) 11.5.0 smatch: v0.5.0-9187-g5189e3fb 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 | Fixes: 35c5097f737a ("crypto: ti - Enable compile testing for dthev2") | Reported-by: kernel test robot | Reported-by: Dan Carpenter | Closes: https://lore.kernel.org/r/202609231840.kAb2aFiZ-lkp@intel.com/ smatch warnings: drivers/crypto/ti/dthev2-common.c:44 dthe_get_dev() warn: can 'dev_data' even be NULL? vim +/dev_data +44 drivers/crypto/ti/dthev2-common.c 52f641bc63a466 T Pratham 2025-08-20 34 52f641bc63a466 T Pratham 2025-08-20 35 struct dthe_data *dthe_get_dev(struct dthe_tfm_ctx *ctx) 52f641bc63a466 T Pratham 2025-08-20 36 { 52f641bc63a466 T Pratham 2025-08-20 37 struct dthe_data *dev_data; 52f641bc63a466 T Pratham 2025-08-20 38 52f641bc63a466 T Pratham 2025-08-20 39 if (ctx->dev_data) 52f641bc63a466 T Pratham 2025-08-20 40 return ctx->dev_data; 52f641bc63a466 T Pratham 2025-08-20 41 52f641bc63a466 T Pratham 2025-08-20 42 spin_lock_bh(&dthe_dev_list.lock); 52f641bc63a466 T Pratham 2025-08-20 43 dev_data = list_first_entry(&dthe_dev_list.dev_list, struct dthe_data, list); 52f641bc63a466 T Pratham 2025-08-20 @44 if (dev_data) 52f641bc63a466 T Pratham 2025-08-20 45 list_move_tail(&dev_data->list, &dthe_dev_list.dev_list); 52f641bc63a466 T Pratham 2025-08-20 46 spin_unlock_bh(&dthe_dev_list.lock); 52f641bc63a466 T Pratham 2025-08-20 47 52f641bc63a466 T Pratham 2025-08-20 48 return dev_data; 52f641bc63a466 T Pratham 2025-08-20 49 } 52f641bc63a466 T Pratham 2025-08-20 50 :::::: The code at line 44 was first introduced by commit :::::: 52f641bc63a46657b1d72d902fcee30ab1233c7b crypto: ti - Add driver for DTHE V2 AES Engine (ECB, CBC) :::::: TO: T Pratham :::::: CC: Herbert Xu -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki