From patchwork Mon Mar 15 13:53:02 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 401404 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=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 38105C43332 for ; Mon, 15 Mar 2021 14:03:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0B99B64E83 for ; Mon, 15 Mar 2021 14:03:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233490AbhCOOBv (ORCPT ); Mon, 15 Mar 2021 10:01:51 -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 S232788AbhCON74 (ORCPT ); Mon, 15 Mar 2021 09:59:56 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 5820F64F06; Mon, 15 Mar 2021 13:59:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1615816777; bh=crdHReBj3aMqOM/98vwY7tguD+5UrMxdp/QNat72IUk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Hm+JDQDMuBdDaHDjdCLrBJeOSg4VhZTJhfz/Ng3HWs8Q0LJzmD27FDo2HSbZFKJvW IxCrK/1XcHth6LScbKgo7hDtc3Xvi/G9SpU+3VznTZa1ybLeFDqVf7qfR70ci9fSBm FJaiCxvtZMJ0eRZYRD9T9jynPdmb0ZjpkhhKEccI= 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 5.11 119/306] media: v4l: vsp1: Fix bru null pointer access Date: Mon, 15 Mar 2021 14:53:02 +0100 Message-Id: <20210315135511.682464855@linuxfoundation.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210315135507.611436477@linuxfoundation.org> References: <20210315135507.611436477@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@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 @@ -245,7 +245,7 @@ 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;