From mboxrd@z Thu Jan 1 00:00:00 1970 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 15980C7EE31 for ; Fri, 27 Jun 2025 07:35:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=yZawFD+HI83oYz/qiWMGJpMyBAsAiNUOkVPsn0yTgbQ=; b=zH3LDfASSiPb5FpQRhkLaCpoXd f5B9TV0sgB6LxA2w2OsbQQjZUh+iLAFx2SEP5LmL8t79t5npEMfPhgUAKwhD7RAwF7BiJwsFTJdsg uyrUHI6/Oj3SbtIX36Yk7dteO2wO0hTlumWkXI79oGiGzFfDJ34eXCIV58ujs7vr1cP6Nv9/OUgGd b8BsMtaBlR8hQGlE5mjiWW5ePnZQ4X4AQ6crWLG8EkEizfduvSS/0f8M3TGX+Bdmo+GCwNcuajLEu Hce9Pczv9ALhB0FPqgCDdRFOyrYBr2LwGXN5o0zgznewa4CH3A0vF29E3dCbq1cVGBwqgh/IlJHGE zA0ypJQA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uV3c3-0000000Dq53-3VN2; Fri, 27 Jun 2025 07:35:07 +0000 Received: from mail.8bytes.org ([85.214.250.239]) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uV3K0-0000000DoCM-027z for linux-arm-kernel@lists.infradead.org; Fri, 27 Jun 2025 07:16:29 +0000 Received: from 8bytes.org (p4ffe03ae.dip0.t-ipconnect.de [79.254.3.174]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mail.8bytes.org (Postfix) with ESMTPSA id DC8864EF8A; Fri, 27 Jun 2025 09:16:26 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=8bytes.org; s=default; t=1751008587; bh=uBKXF6vM8NfVlqAtE7zDF6I8dzJzNc3fCBNdDoutpU0=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=NcPb/K2MNA6v5UAJKyjVIWtTDJW1lvixW+t/T5N7+COup8OWRQ43PYOax9pP703H/ Pfz8CHP+e5tr2GMW0rgL9g2iUic+LOy09BSquqNOVvmPtMt+F+8Jtly86xWOqnsw9+ IgYME6KPy6P6uzLMs2nEOWuRES3Rx6ODmue4yBK+UKKjv4txAq2fsxN+tXNHnB9E3A wXoEMMmmPhAlWKfviTw/eOiGTV+vgUVffBaMLF8vinx+mWyFmZf6uo6UjqnHf9a80n 8RBXBnmpFdArB7D3PF4Ggr81DNf6CU0RExxWOIJreXBRTLwEYYBM4eoCZA2FQmYasN v1r165GitYyxw== Date: Fri, 27 Jun 2025 09:16:25 +0200 From: Joerg Roedel To: Zhang Shurong Cc: will@kernel.org, robin.murphy@arm.com, wens@csie.org, jernej.skrabec@gmail.com, samuel@sholland.org, iommu@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org Subject: Re: [PATCH] The sun50i_iommu_of_xlate() function didn't properly handle the case where of_find_device_by_node() returns NULL. This could lead to a NULL pointer dereference when accessing platform_get_drvdata(iommu_pdev) if the device node couldn't be found. Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250627_001628_186388_DC670CD2 X-CRM114-Status: UNSURE ( 6.45 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The subject line is too long, use something short which describes WHAT the patch does. The WHY can be placed into the commit message. Thanks, Joerg