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 X-Spam-Level: X-Spam-Status: No, score=-5.5 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,T_DKIMWL_WL_HIGH,USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 67D76C28CC1 for ; Sat, 1 Jun 2019 16:20:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3AC1027753 for ; Sat, 1 Jun 2019 16:20:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1559406040; bh=nKe8XKOVM5oAWjQWs73h5gY//PZ5JoisK7aclAP9fL0=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=YhGtG05NC4XQIBJmWZH5USD+Q2wJEQUqlLJR5m3FEuRPFGZW7ZqU0fBtJr+xfKcL2 9Gir3jydBOHbJa/NT4AVdBtnmyZbUxnS6579UqfXdeKABUJLSJSyZX5IDG3K2FMqn0 /0ltYTeBRyI3uZ9ilf2osqxrr4qUUdfK5cBUkjk4= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726831AbfFAQUj (ORCPT ); Sat, 1 Jun 2019 12:20:39 -0400 Received: from mail.kernel.org ([198.145.29.99]:59288 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726149AbfFAQUg (ORCPT ); Sat, 1 Jun 2019 12:20:36 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id A256B27753; Sat, 1 Jun 2019 16:20:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1559406036; bh=nKe8XKOVM5oAWjQWs73h5gY//PZ5JoisK7aclAP9fL0=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=pZHp1glx3ON5yINQU+hCJ6dIP1rq7wpCsbYs1VmbQnlHfNOMaaFs+XKGpjdIHHjjC Ov/Lp1qesJlmwiSeGdxjcWxt+lrJ7KYwm5vvSwdzdB67A7kNxdo6Wo4gdNmrDqj+dm OuwBDTo2egTzWOx7AD0NXd7SNmnaTzxo7llEQ6cY= Date: Sat, 1 Jun 2019 09:19:29 -0700 From: Greg Kroah-Hartman To: Sasha Levin Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org, Kangjie Lu , Aditya Pakki , Finn Thain , Rob Herring , Bartlomiej Zolnierkiewicz , linux-fbdev@vger.kernel.org, dri-devel@lists.freedesktop.org Subject: Re: [PATCH AUTOSEL 4.4 44/56] video: imsttfb: fix potential NULL pointer dereferences Message-ID: <20190601161929.GA5028@kroah.com> References: <20190601132600.27427-1-sashal@kernel.org> <20190601132600.27427-44-sashal@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190601132600.27427-44-sashal@kernel.org> User-Agent: Mutt/1.12.0 (2019-05-25) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Jun 01, 2019 at 09:25:48AM -0400, Sasha Levin wrote: > From: Kangjie Lu > > [ Upstream commit 1d84353d205a953e2381044953b7fa31c8c9702d ] > > In case ioremap fails, the fix releases resources and returns > -ENOMEM to avoid NULL pointer dereferences. > > Signed-off-by: Kangjie Lu > Cc: Aditya Pakki > Cc: Finn Thain > Cc: Rob Herring > Cc: Greg Kroah-Hartman > [b.zolnierkie: minor patch summary fixup] > Signed-off-by: Bartlomiej Zolnierkiewicz > Signed-off-by: Sasha Levin > --- > drivers/video/fbdev/imsttfb.c | 5 +++++ > 1 file changed, 5 insertions(+) Why only 4.4.y? Shouldn't this be queued up for everything or none? thanks, greg k-h