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 75BF319FA9D; Tue, 1 Oct 2024 19:44:31 +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=1727811871; cv=none; b=ZqJLTtdRWkKIOXlXiTQZjqujCEGixUdZcxNzkEiZ1yHAk6tN02HHRUZAMlX9ZUDU5hccX+up02xRfumjXiR1YREfY7WXZdi7bVz1302TPhElrEBEBoZc8druGogPf1nnFkXGvPZMh5JHmLCSlykuadh1QzKSogUYuETEPjTZ1N4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727811871; c=relaxed/simple; bh=Ew4qaq7NH/G+x2l2SArBQPdLEmlQb/bUg63E3o4yD2E=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=Rq9EZ7zCetq0u4fCcsP07A+9riOnNLXYu7NHxr7rBWWNP0hn5yOpNFAR67bDg07y3hFTpeG+Ke6Z00wv37AF6FTGIRV6wBz9tLWmbcJYW6Xt8jJOjpjYqCXKXbvugkYVtsamoFJK71YXnTCDm2tQEEEO7/Va8n0pchnEDMA3slg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Xf/FLH2Q; 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="Xf/FLH2Q" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 18BDAC4CEC6; Tue, 1 Oct 2024 19:44:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1727811871; bh=Ew4qaq7NH/G+x2l2SArBQPdLEmlQb/bUg63E3o4yD2E=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=Xf/FLH2Q9S0H43sjJPfzTEE9C2JYb6oPRXoLmolCx1fRn0gW14rzJtIehQrh8WSJ6 US3yjoOY58X7rUePG2laNOvjcXolxV89CWnLRBADKg1r2P4jb63gkD3l3kUTy4yulu mJmuW+M6s0PTdMbcwsmd6xr0XDjaYFFPZVkygf4APOVtBx5lTrVsuwUjO13/5rwt4m U7/uzoTuAVoLCFqKO47+PdrCP86rHPBHrV/4T/01mgQBT0GuLZWwxQeEijljUMQqFa sqKHntS3inFfDSXR8TPEMhoJATvvPBhFotWO547BewUCgem6Nz190xAcxtWsSmq9Zi Nwwn2DkLo+GMw== Message-ID: Date: Tue, 1 Oct 2024 21:44:24 +0200 Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] Fix possible NULL Pointer Dereference in 'asoc_qcom_lpass_cpu_platform_probe' To: Gax-c , srinivas.kandagatla@linaro.org, lgirdwood@gmail.com, broonie@kernel.org, perex@perex.cz, tiwai@suse.com, rohitkr@codeaurora.org Cc: alsa-devel@alsa-project.org, linux-arm-msm@vger.kernel.org, linux-sound@vger.kernel.org, Zijie Zhao , Chenyuan Yang References: <20240930011521.26283-1-zichenxie0106@gmail.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 30/09/2024 03:15, Gax-c wrote: > A 'devm_kzalloc' in 'asoc_qcom_lpass_cpu_platform_probe' could possibly return NULL pointer. > NULL Pointer Dereference may be triggerred in 'asoc_qcom_lpass_cpu_platform_probe' without addtional check. > Add a null check for the returned pointer. Please wrap commit message according to Linux coding style / submission process (neither too early nor over the limit): https://elixir.bootlin.com/linux/v6.4-rc1/source/Documentation/process/submitting-patches.rst#L597 > > Fixes: b5022a36d28f ("ASoC: qcom: lpass: Use regmap_field for i2sctl and dmactl registers") > Signed-off-by: Zichen Xie > Reported-by: Zichen Xie Drop the unnecessary tag. You are the author. > Reported-by: Zijie Zhao > Reported-by: Chenyuan Yang Why two people reported it? And where? > --- > sound/soc/qcom/lpass-cpu.c | 3 +++ > 1 file changed, 3 insertions(+) Best regards, Krzysztof