From patchwork Thu Sep 2 17:41:01 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luis Chamberlain X-Patchwork-Id: 12472253 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 A41E4C8302A for ; Thu, 2 Sep 2021 17:41:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 921F1610FF for ; Thu, 2 Sep 2021 17:41:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1347062AbhIBRmY (ORCPT ); Thu, 2 Sep 2021 13:42:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36946 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1347023AbhIBRmU (ORCPT ); Thu, 2 Sep 2021 13:42:20 -0400 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DC89BC061575; Thu, 2 Sep 2021 10:41:21 -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=m46K19zqMpohOFZJ7xRAzdG17R75/WCRRoDdwcwdSMI=; b=nGsfDA0FoN9p02CmwlLLtE/j5O onQNmJ7WjpnucJfBj4/6zRGMVSHMnWTMoxJPRz/uz/kJpJeESHsHO33Gj/jldk92HuaOfobXhfHrp /uNJMJe+oV8CLgCYZPgbU9f/0iZjsabR3dpuHpYdMc0JWVXRXFzFGmh6nXf1RCtfaCqK7IZLRRC7b 1qCyvjhUzLZQe4zXn2gLZnsxjdgSbxtH4fbTLKmEUCTGwNjl6nHj65OIbzHhP5Zm/XAA347ahLQhM CjfFSpqKjjGCIYQo7g0ptAFBAvDPwvRaW8vpg82U23YvpkgLZvQrpn9P9T00KijCg78bCy6OHFabn sgDF1Ewg==; Received: from mcgrof by bombadil.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1mLqi2-00A9FK-36; Thu, 02 Sep 2021 17:41:06 +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 5/9] mtd: add add_disk() error handling Date: Thu, 2 Sep 2021 10:41:01 -0700 Message-Id: <20210902174105.2418771-6-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 Acked-by: Miquel Raynal --- drivers/mtd/mtd_blkdevs.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/mtd/mtd_blkdevs.c b/drivers/mtd/mtd_blkdevs.c index 44bea3f65060..343ff96589cc 100644 --- a/drivers/mtd/mtd_blkdevs.c +++ b/drivers/mtd/mtd_blkdevs.c @@ -427,7 +427,9 @@ int add_mtd_blktrans_dev(struct mtd_blktrans_dev *new) if (new->readonly) set_disk_ro(gd, 1); - device_add_disk(&new->mtd->dev, gd, NULL); + ret = device_add_disk(&new->mtd->dev, gd, NULL); + if (ret) + goto out_cleanup_disk; if (new->disk_attributes) { ret = sysfs_create_group(&disk_to_dev(gd)->kobj, @@ -436,6 +438,8 @@ int add_mtd_blktrans_dev(struct mtd_blktrans_dev *new) } return 0; +out_cleanup_disk: + blk_cleanup_disk(new->disk); out_free_tag_set: blk_mq_free_tag_set(new->tag_set); out_kfree_tag_set: