From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 3BA9D3A875B; Wed, 13 May 2026 18:31:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778697114; cv=none; b=nzXcdBynAW63FjJeJY/pDWEfg3WCeTeid+/viv9HZNzNKeJcYU5lQm36hMiaSMJTDT5XUP6uXYtIpL0PhTkkZqJdBdis3MUUcl7dbv22SQK9qN2J9E6HHoQ/8QGiZFPYTbvyHQTD48vXTeh1exPqiDZN6MlYSYOdjV04nXkryIA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778697114; c=relaxed/simple; bh=J4fHimSiakgX6BuNRnjEZKtW+uoMl+UhkLl/6CETzZ0=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=AbtCKIPpaHN9gxutFGduXoRiW6MpowWgdKmYi2/zC7uQOXe88UAEj/KE3bq5tU+0qvUHAJxOHP1JL0PgkcToV3XNSzGet/vdmMTHCDepgNVx2DbBd3/wuODQvnqbkYx5RM5d1ekylOKpb3HzvgSI7f4h1C893HHTCT4CUcD7vpE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=pmPOxOU2; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="pmPOxOU2" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 564F7C19425; Wed, 13 May 2026 18:31:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1778697113; bh=J4fHimSiakgX6BuNRnjEZKtW+uoMl+UhkLl/6CETzZ0=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=pmPOxOU2RKBNquC/1oG22beLgsz7ENFIMeA9I30mlTaH5DbKSC6PALdEiySl4i4Y8 uxoMrwvbs2C+yefAd6l6TV+E0s0IRvUMvRxJgs8eTspei2LOqZ/QvAhkA3wrxJYD7r ZG5wEKnibAK9E4MFb/yEfloIx2pehhZ7AwxSrhd8fsA9s62CqQLCXG/ALMSacl9gA8 mB2QOTOqIMwT69L1v083TZHw8rrBAiGg+V4ttxoiuHEgyiGBHG1Hgm2INGc00Exh2a gVEjevneu77K4/FkBsTiZ4dSMLzWnzCAsdczwApLEHORPcOgBOi2zv2FO9zs4w7DWt C/0lvNEgCCmuQ== Message-ID: <643b889b-f35e-4c10-957a-b5a8f74313aa@kernel.org> Date: Wed, 13 May 2026 20:31:50 +0200 Precedence: bulk X-Mailing-List: oe-kbuild@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [linux-next:master 2646/4394] drivers/memory/tegra/tegra114-emc.c:520 tegra114_emc_prepare_timing_change() warn: variable dereferenced before check 'timing' (see line 515) To: Dan Carpenter , oe-kbuild@lists.linux.dev, Svyatoslav Ryhel Cc: lkp@intel.com, oe-kbuild-all@lists.linux.dev, Mikko Perttunen References: <202605100506.wJFmI6IM-lkp@intel.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 10/05/2026 11:44, Dan Carpenter wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master > head: e98d21c170b01ddef366f023bbfcf6b31509fa83 > commit: dce208b5405f40c36320bb0ee07e9df8f7f2bea4 [2646/4394] memory: tegra: Add Tegra114 EMC driver > config: um-randconfig-r072-20260509 (https://download.01.org/0day-ci/archive/20260510/202605100506.wJFmI6IM-lkp@intel.com/config) > compiler: clang version 23.0.0git (https://github.com/llvm/llvm-project 5bac06718f502014fade905512f1d26d578a18f3) > smatch: v0.5.0-9065-ge9cc34fd > > 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/202605100506.wJFmI6IM-lkp@intel.com/ > > smatch warnings: > drivers/memory/tegra/tegra114-emc.c:520 tegra114_emc_prepare_timing_change() warn: variable dereferenced before check 'timing' (see line 515) > > vim +/timing +520 drivers/memory/tegra/tegra114-emc.c > Thanks. There was a patch 2 days ago, but I guess you were not aware of it, so I will add your reported-by to that patch while applying. Best regards, Krzysztof