From patchwork Thu Sep 2 17:40:57 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luis Chamberlain X-Patchwork-Id: 12472265 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=-17.0 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,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 36368C8302C for ; Thu, 2 Sep 2021 17:42:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 25376610FF for ; Thu, 2 Sep 2021 17:42:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1347229AbhIBRnM (ORCPT ); Thu, 2 Sep 2021 13:43:12 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36936 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1347005AbhIBRmT (ORCPT ); Thu, 2 Sep 2021 13:42:19 -0400 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D00E8C061757; Thu, 2 Sep 2021 10:41:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=Sender:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description; bh=9WAQqGmCnBZBIvZV5P2hlA8WSQ4fd7LqTPumJ23Kn/w=; b=OsZrKg+vMpotB4axsHjx6FruHD 7GIdZBhzq61yrFpuu4mb5Li+LLit+paEsC5jyH/KWYPeLNqpuKfHiyLPZokO+vJKA4P3MIXjuUlcM KSYCsS4jYWs2oz5+bLrvXa2OdX7NwfyHIlBMCw4ubaN/IaKitfS5+Mg/QsWa8Y8M/djrBhmHm9RXk ldur9JBj282q9KTmrunMF0U5r2O1pEapxpC3F0MSQgur9DxWClL9pWr5SHJzHAVVoSKDSOOCfbGVp SsRQB1G5YmcO43/vRkmf6vTQeM5x7cKxnfZIwiqCYPzJoGrEHiX95U0UgZIBuc/mCqDtWPvmL2fLE dTVBTxIg==; Received: from mcgrof by bombadil.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1mLqi1-00A9FC-PM; Thu, 02 Sep 2021 17:41:05 +0000 From: Luis Chamberlain To: axboe@kernel.dk, gregkh@linuxfoundation.org, chaitanya.kulkarni@wdc.com, atulgopinathan@gmail.com, hare@suse.de, maximlevitsky@gmail.com, oakad@yahoo.com, ulf.hansson@linaro.org, colin.king@canonical.com, shubhankarvk@gmail.com, baijiaju1990@gmail.com, trix@redhat.com, dongsheng.yang@easystack.cn, ceph-devel@vger.kernel.org, miquel.raynal@bootlin.com, richard@nod.at, vigneshr@ti.com, sth@linux.ibm.com, hoeppner@linux.ibm.com, hca@linux.ibm.com, gor@linux.ibm.com, borntraeger@de.ibm.com, oberpar@linux.ibm.com, tj@kernel.org Cc: linux-s390@vger.kernel.org, linux-mtd@lists.infradead.org, linux-mmc@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, Luis Chamberlain Subject: [PATCH 1/9] cdrom/gdrom: add error handling support for add_disk() Date: Thu, 2 Sep 2021 10:40:57 -0700 Message-Id: <20210902174105.2418771-2-mcgrof@kernel.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210902174105.2418771-1-mcgrof@kernel.org> References: <20210902174105.2418771-1-mcgrof@kernel.org> MIME-Version: 1.0 Sender: Luis Chamberlain Precedence: bulk List-ID: X-Mailing-List: ceph-devel@vger.kernel.org We never checked for errors on add_disk() as this function returned void. Now that this is fixed, use the shiny new error handling. Signed-off-by: Luis Chamberlain --- drivers/cdrom/gdrom.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/cdrom/gdrom.c b/drivers/cdrom/gdrom.c index 8e1fe75af93f..d50cc1fd34d5 100644 --- a/drivers/cdrom/gdrom.c +++ b/drivers/cdrom/gdrom.c @@ -805,9 +805,14 @@ static int probe_gdrom(struct platform_device *devptr) err = -ENOMEM; goto probe_fail_free_irqs; } - add_disk(gd.disk); + err = add_disk(gd.disk); + if (err) + goto probe_fail_add_disk; + return 0; +probe_fail_add_disk: + kfree(gd.toc); probe_fail_free_irqs: free_irq(HW_EVENT_GDROM_DMA, &gd); free_irq(HW_EVENT_GDROM_CMD, &gd);