From patchwork Mon Aug 10 15:20:53 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 266612 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=-13.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=unavailable 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 486A6C433DF for ; Mon, 10 Aug 2020 15:41:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2701A2080C for ; Mon, 10 Aug 2020 15:41:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1597074070; bh=SBJBhjEf5WQoaV758p8LTeeZcqluZ9Hz0KwBVAwXsxg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=brwuq3pg7gSnEIvqDpKy34D2TMc36MoUTowFk8I+7b5kHovGMIez01LO2rdzCvVWE SxlNa7lZpM/BLuPUT/MvfgVcy9G1OrFPHVmEDff/U/PEqTSny2jFdgIqJCVSvgadnH 6ABR6dinxEZto4t7K7peLj+kRnswKFf75J9R9AtQ= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728005AbgHJPlG (ORCPT ); Mon, 10 Aug 2020 11:41:06 -0400 Received: from mail.kernel.org ([198.145.29.99]:55002 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728334AbgHJPXb (ORCPT ); Mon, 10 Aug 2020 11:23:31 -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 6F93D207FF; Mon, 10 Aug 2020 15:23:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1597073011; bh=SBJBhjEf5WQoaV758p8LTeeZcqluZ9Hz0KwBVAwXsxg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=1NqTudXEdJYRqrlq3TektEpETKYx4teslX0hg4C5ZjHmMs7sbBeB8Nb6goinR/qxp Ka4HsCwVhzDtiyS7lw7Zfsk8Qvg392XBXIGGiYZPkJ0iCU/dATrBmJHDtrsw8EVxnV x/ZoRSh0IGtPhtAkoiVj0brW/FTZaYvinXwUz+aQ= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Ben Skeggs , Sasha Levin Subject: [PATCH 5.7 34/79] drm/nouveau/fbcon: fix module unload when fbcon init has failed for some reason Date: Mon, 10 Aug 2020 17:20:53 +0200 Message-Id: <20200810151813.967903895@linuxfoundation.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200810151812.114485777@linuxfoundation.org> References: <20200810151812.114485777@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Ben Skeggs [ Upstream commit 498595abf5bd51f0ae074cec565d888778ea558f ] Stale pointer was tripping up the unload path. Signed-off-by: Ben Skeggs Signed-off-by: Sasha Levin --- drivers/gpu/drm/nouveau/nouveau_fbcon.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/nouveau/nouveau_fbcon.c b/drivers/gpu/drm/nouveau/nouveau_fbcon.c index 24d543a01f435..e42100a2425fd 100644 --- a/drivers/gpu/drm/nouveau/nouveau_fbcon.c +++ b/drivers/gpu/drm/nouveau/nouveau_fbcon.c @@ -588,6 +588,7 @@ fini: drm_fb_helper_fini(&fbcon->helper); free: kfree(fbcon); + drm->fbcon = NULL; return ret; }