Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0F339C433EF for ; Fri, 24 Dec 2021 09:55:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1352365AbhLXJzI (ORCPT ); Fri, 24 Dec 2021 04:55:08 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48862 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1343931AbhLXJzH (ORCPT ); Fri, 24 Dec 2021 04:55:07 -0500 Received: from bhuna.collabora.co.uk (bhuna.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e3e3]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2F328C061401 for ; Fri, 24 Dec 2021 01:55:07 -0800 (PST) Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: kholk11) with ESMTPSA id 0FB081F40AF0 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1640339705; bh=g/qrKxbq81374OPNyBlN5b0Uw2S7uiZ13C5P82NahIA=; h=Subject:To:Cc:References:From:Date:In-Reply-To:From; b=XD9uQAp0iU8aU0GqQ/lNnkmvJNxU383e2Yc/NoWpqgEgWtz7InHOogu4bzmkWBmeE Zv0AUV3njiViMoqEIJxm7Yi2TDvE5vn2s0jMlZ21Nv8iRQcjvZALBP+DljqbrEs7jc /BtqdCo8dWLYheyk9rw6E3xMnUh0OKATLitRDINxJnvomKWzBQa+GXfO5lPEa7Juz7 3eahIa7UqFFd1PMGGRU5x0IHymST1gnfE+ZAhfwxk0nxZ40ZG11/hoQ45Wxn5Ck2id F53JT34LitY7UVJVR3z7hf1qnp54N7/adwr1LBN8WjXLLePm8iKVPaAaxR4oFqehSK WnU9EONoPKT9w== Subject: Re: [PATCH] phy: mediatek: Fix missing check in mtk_mipi_tx_probe To: Miaoqian Lin Cc: Chun-Kuang Hu , Philipp Zabel , Chunfeng Yun , Kishon Vijay Abraham I , Vinod Koul , Matthias Brugger , dri-devel@lists.freedesktop.org, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-phy@lists.infradead.org, linux-kernel@vger.kernel.org References: <20211224082103.7658-1-linmq006@gmail.com> From: AngeloGioacchino Del Regno Message-ID: Date: Fri, 24 Dec 2021 10:55:02 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.13.0 MIME-Version: 1.0 In-Reply-To: <20211224082103.7658-1-linmq006@gmail.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Il 24/12/21 09:21, Miaoqian Lin ha scritto: > The of_device_get_match_data() function may return NULL. > Add check to prevent potential null dereference. > > Signed-off-by: Miaoqian Lin Reviewed-by: AngeloGioacchino Del Regno