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=-13.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 16DEBC433E1 for ; Thu, 20 Aug 2020 00:07:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E72E6208C7 for ; Thu, 20 Aug 2020 00:07:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1597882020; bh=H3PgQ+KoHDCKHKEBvlCxJCjz5lnvNV3Q3WKv9qcex58=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=NW8ezIUx2TjK/ZPhxgM6MvTfUF2Y09HHGMmQh8Yf3oEIaSZbnrGmwe2l7mQTLc3nI vlVT7fnlCJ4jA1hV9ed968msbdbnVZO/UmrIxhs1W6R1GsNEggHSnW91RVKWuC//Qc iFxHSM6TuUPBwestf8hyoFTNIIgaPDwzDzf52Kgg= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728639AbgHTAG7 (ORCPT ); Wed, 19 Aug 2020 20:06:59 -0400 Received: from mail.kernel.org ([198.145.29.99]:33322 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728298AbgHTADc (ORCPT ); Wed, 19 Aug 2020 20:03:32 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 84B33214F1; Thu, 20 Aug 2020 00:03:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1597881812; bh=H3PgQ+KoHDCKHKEBvlCxJCjz5lnvNV3Q3WKv9qcex58=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=0+a8lXbtUnYnu99gf4OmQvQpvNtVOCV1rcDGT5gKEC4Vi8uJgwTdPhR/hG6RT4GcP GZ8yv6LKBSSsOCfMa0SVjzvxIHMYXQS8zyd5zk6CKMlgOCLGo52/wQayJSryLN4wtm 4BYR4sdZWX6CFTxLbCiRIEmbX28Aw++CsfOAhlqo= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Chuhong Yuan , Sean Young , Mauro Carvalho Chehab , Sasha Levin , linux-media@vger.kernel.org Subject: [PATCH AUTOSEL 4.14 02/13] media: budget-core: Improve exception handling in budget_register() Date: Wed, 19 Aug 2020 20:03:17 -0400 Message-Id: <20200820000328.215755-2-sashal@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200820000328.215755-1-sashal@kernel.org> References: <20200820000328.215755-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Chuhong Yuan [ Upstream commit fc0456458df8b3421dba2a5508cd817fbc20ea71 ] budget_register() has no error handling after its failure. Add the missed undo functions for error handling to fix it. Signed-off-by: Chuhong Yuan Signed-off-by: Sean Young Signed-off-by: Mauro Carvalho Chehab Signed-off-by: Sasha Levin --- drivers/media/pci/ttpci/budget-core.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/drivers/media/pci/ttpci/budget-core.c b/drivers/media/pci/ttpci/budget-core.c index 97499b2af7144..20524376b83be 100644 --- a/drivers/media/pci/ttpci/budget-core.c +++ b/drivers/media/pci/ttpci/budget-core.c @@ -383,20 +383,25 @@ static int budget_register(struct budget *budget) ret = dvbdemux->dmx.add_frontend(&dvbdemux->dmx, &budget->hw_frontend); if (ret < 0) - return ret; + goto err_release_dmx; budget->mem_frontend.source = DMX_MEMORY_FE; ret = dvbdemux->dmx.add_frontend(&dvbdemux->dmx, &budget->mem_frontend); if (ret < 0) - return ret; + goto err_release_dmx; ret = dvbdemux->dmx.connect_frontend(&dvbdemux->dmx, &budget->hw_frontend); if (ret < 0) - return ret; + goto err_release_dmx; dvb_net_init(&budget->dvb_adapter, &budget->dvb_net, &dvbdemux->dmx); return 0; + +err_release_dmx: + dvb_dmxdev_release(&budget->dmxdev); + dvb_dmx_release(&budget->demux); + return ret; } static void budget_unregister(struct budget *budget) -- 2.25.1