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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 25838C433EF for ; Mon, 27 Sep 2021 22:19:36 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id B048A60F94 for ; Mon, 27 Sep 2021 22:19:35 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org B048A60F94 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=aqLV8ZCAQgrXr/o0hCNTXhGFUgIadnvBkfESKxNfuag=; b=eZXW4qQrZR/OUZ 3WInR4DCQhG42CzP+kNo38bbriVChg9E+cgnXY52defN58FFS2hNGAeSvDuwQChss5cGyBBW6Tfyn UF/Gu3Xj5cDp1RBhZp1pxYR8rqiQbWXfmlHK8UAsabWcuYZFraXXQ7D8yBcKPoy/idcX1qe3pvLXI YYPCWFx+cXwH704FPJy5a7WPSxC6z3tMU88ltltUgaEc21zEQlmDxvvQqXPLCffPofbTqig240v5T me+1iS2dvBXquMZEC01jjgt1UJq2gKI9B5R5HNRAH1obpV7yjS8colyzHtjQlfAROFiZF5nH/Uh/n b9VcDT7T29s5/Gn0Rndw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mUyxl-004bXr-IB; Mon, 27 Sep 2021 22:19:05 +0000 Received: from mcgrof by bombadil.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1mUyhC-004UJu-OO; Mon, 27 Sep 2021 22:01:58 +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 v2 10/10] mtd/ubi/block: add error handling support for add_disk() Date: Mon, 27 Sep 2021 15:01:57 -0700 Message-Id: <20210927220157.1069658-11-mcgrof@kernel.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210927220157.1069658-1-mcgrof@kernel.org> References: <20210927220157.1069658-1-mcgrof@kernel.org> MIME-Version: 1.0 X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.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 ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/