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=-19.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,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 6E441C4332D for ; Mon, 15 Mar 2021 14:18:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4A92564F34 for ; Mon, 15 Mar 2021 14:18:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236936AbhCOOQz (ORCPT ); Mon, 15 Mar 2021 10:16:55 -0400 Received: from mail.kernel.org ([198.145.29.99]:37612 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232661AbhCON71 (ORCPT ); Mon, 15 Mar 2021 09:59:27 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id E0D6664F12; Mon, 15 Mar 2021 13:59:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1615816743; bh=BVQ6D2sJX+t8OYjd8r/XIXTKu0QBMuCKunDN/BZL3uw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Jk/XBHGgzRJ7D2CFXmu18BfV9Dl93YXvp71LPV+0uDPttu7MK9rbrl/I8SlGUcVpN VCyPt4Xd/RuuqX4mj5no7R//cPY4vYwLwuIGj+RIS4myPZ+5nJ0sH/3roovsCzGJCI 1ECLOJzwMqXQ6vthWsUTiPiq14CR1IWDtYhZamdQ= From: gregkh@linuxfoundation.org To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Biju Das , Hans Verkuil , Mauro Carvalho Chehab Subject: [PATCH 4.19 040/120] media: v4l: vsp1: Fix bru null pointer access Date: Mon, 15 Mar 2021 14:56:31 +0100 Message-Id: <20210315135721.306299342@linuxfoundation.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210315135720.002213995@linuxfoundation.org> References: <20210315135720.002213995@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Greg Kroah-Hartman From: Biju Das commit ac8d82f586c8692b501cb974604a71ef0e22a04c upstream. RZ/G2L SoC has only BRS. This patch fixes null pointer access,when only BRS is enabled. Fixes: cbb7fa49c7466("media: v4l: vsp1: Rename BRU to BRx") Signed-off-by: Biju Das Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab Signed-off-by: Greg Kroah-Hartman --- drivers/media/platform/vsp1/vsp1_drm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/media/platform/vsp1/vsp1_drm.c +++ b/drivers/media/platform/vsp1/vsp1_drm.c @@ -243,7 +243,7 @@ static int vsp1_du_pipeline_setup_brx(st brx = &vsp1->bru->entity; else if (pipe->brx && !drm_pipe->force_brx_release) brx = pipe->brx; - else if (!vsp1->bru->entity.pipe) + else if (vsp1_feature(vsp1, VSP1_HAS_BRU) && !vsp1->bru->entity.pipe) brx = &vsp1->bru->entity; else brx = &vsp1->brs->entity;