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=-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 D088BC43214 for ; Wed, 1 Sep 2021 21:01:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id ABAFE61090 for ; Wed, 1 Sep 2021 21:01:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243259AbhIAVCm (ORCPT ); Wed, 1 Sep 2021 17:02:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36666 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229653AbhIAVCk (ORCPT ); Wed, 1 Sep 2021 17:02:40 -0400 Received: from bombadil.infradead.org (unknown [IPv6:2607:7c80:54:e::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AE68AC061575; Wed, 1 Sep 2021 14:01:43 -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=OEudjQURI1tjI6DN2XbbpoNvfS6WRIGCcJ/ZL9K/jW0=; b=TtU/t4kvFK6bEeZ18kuRWXiRWI f41EP2CiOJWyhfaFk8uWcVaUtPsaqnsuQzVb3IN7e5WDNe9pVLhxJwynLPDTE0tAh8k3TLIPmx0G5 ftjwFVyVY34qZzZ7b10mfmkD39uZ8tnDHnbtOPQVu2ctwehoNZdjRUYMqECyp0adjYO71ccBfoscp 2IIVJ3mZbiCRhaASuz6rn/4gUWv6NUJ9PmNmEwpZzdOlNw5yHv2/wM0H6gR1JLDgClh9pDWd5v8Qk KYjZyZan3WoR46X37fwEN41/2qTzhMQmCq6T5Ktj3vCSJDVTPGqdqbFTV3D/rIWSWlLM1/cvFWP0M PqbIKOFA==; Received: from mcgrof by bombadil.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1mLXLR-007LWN-Nr; Wed, 01 Sep 2021 21:00:29 +0000 From: Luis Chamberlain To: axboe@kernel.dk, bhelgaas@google.com, liushixin2@huawei.com, thunder.leizhen@huawei.com, lee.jones@linaro.org, geoff@infradead.org, mpe@ellerman.id.au, benh@kernel.crashing.org, paulus@samba.org, jim@jtan.com, haris.iqbal@ionos.com, jinpu.wang@ionos.com, josh.h.morris@us.ibm.com, pjk1939@linux.ibm.com, tim@cyberelk.net, richard@nod.at, miquel.raynal@bootlin.com, vigneshr@ti.com Cc: linux-mtd@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, Luis Chamberlain Subject: [PATCH 10/10] mtd/ubi/block: add error handling support for add_disk() Date: Wed, 1 Sep 2021 14:00:28 -0700 Message-Id: <20210901210028.1750956-11-mcgrof@kernel.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210901210028.1750956-1-mcgrof@kernel.org> References: <20210901210028.1750956-1-mcgrof@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: Luis Chamberlain Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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/mtd/ubi/block.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/mtd/ubi/block.c b/drivers/mtd/ubi/block.c index e003b4b44ffa..062e6c2c45f5 100644 --- a/drivers/mtd/ubi/block.c +++ b/drivers/mtd/ubi/block.c @@ -447,12 +447,18 @@ int ubiblock_create(struct ubi_volume_info *vi) list_add_tail(&dev->list, &ubiblock_devices); /* Must be the last step: anyone can call file ops from now on */ - add_disk(dev->gd); + ret = add_disk(dev->gd); + if (ret) + goto out_destroy_wq; + dev_info(disk_to_dev(dev->gd), "created from ubi%d:%d(%s)", dev->ubi_num, dev->vol_id, vi->name); mutex_unlock(&devices_mutex); return 0; +out_destroy_wq: + list_del(&dev->list); + destroy_workqueue(dev->wq); out_remove_minor: idr_remove(&ubiblock_minor_idr, gd->first_minor); out_cleanup_disk: -- 2.30.2