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 A5E36C8302D for ; Thu, 2 Sep 2021 17:41:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8F9C561106 for ; Thu, 2 Sep 2021 17:41:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1347010AbhIBRmT (ORCPT ); Thu, 2 Sep 2021 13:42:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36924 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1346819AbhIBRmR (ORCPT ); Thu, 2 Sep 2021 13:42:17 -0400 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 073C5C061760; Thu, 2 Sep 2021 10:41:19 -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=nD4STtfNJcQ+G+5E7/R8DdPYF/LAlaZ05CClSla9oSk=; b=qeVBykg3QRCOjJ3lK/FrjL9Ga3 48Ek8HklFVO3olOvEg8WlT+U3iW9YcaK8LAtUVKie7PraEhxMfiwdAUh5QiMaT2k+XwSOkAofv00r UEb5jywFmvvjQiS7pEh0aPYMOtDSuMNolDXhoGQM1IOvJ38FjzLR68GzGmQxQ6ShUZd8cuAk8ROE6 0hvMtpFX+MFuilKX1IfHr903x/j2trNggEDTLQIh076w+d6XXCOMGwHe9/Fqn0DxuAeuAHf0KjP6G HnipxjYg5AHdUKk1dit5dfdUFIbWKQ7kVBnJChhG9Avsk+qO8dveDmeFAjYR8YI/c35OWGysgS2ko 9BtgU//Q==; Received: from mcgrof by bombadil.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1mLqi2-00A9FQ-9Y; 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 8/9] s390/block/scm_blk: add error handling support for add_disk() Date: Thu, 2 Sep 2021 10:41:04 -0700 Message-Id: <20210902174105.2418771-9-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 Content-Transfer-Encoding: 8bit Sender: Luis Chamberlain Precedence: bulk List-ID: X-Mailing-List: linux-block@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/s390/block/scm_blk.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/s390/block/scm_blk.c b/drivers/s390/block/scm_blk.c index 88cba6212ee2..61ecdcb2cc6a 100644 --- a/drivers/s390/block/scm_blk.c +++ b/drivers/s390/block/scm_blk.c @@ -495,9 +495,14 @@ int scm_blk_dev_setup(struct scm_blk_dev *bdev, struct scm_device *scmdev) /* 512 byte sectors */ set_capacity(bdev->gendisk, scmdev->size >> 9); - device_add_disk(&scmdev->dev, bdev->gendisk, NULL); + ret = device_add_disk(&scmdev->dev, bdev->gendisk, NULL); + if (ret) + goto out_cleanup_disk; + return 0; +out_cleanup_disk: + blk_cleanup_disk(bdev->gendisk); out_tag: blk_mq_free_tag_set(&bdev->tag_set); out: -- 2.30.2 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=-17.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 5E881C83028 for ; Thu, 2 Sep 2021 17:45:38 +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 1B3E761101 for ; Thu, 2 Sep 2021 17:45:38 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 1B3E761101 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=yhP5DNyaVo62wDUQ6xk2HQTXSUtRte7A6kG4PRxDKNE=; b=gC07JrrFtFhq/d fxf160yuAlcD1QA98cSoYA1m4beRL9elLe2HL44Xt/Wg0B6PW4SMjXzu4KNixCGBc5/+Os46qGiGD v9ue8EO0cUIht1zdI6bBZoUERKvGUFu3sEJh/oKAzLRhWGfrdkTjvaC3Cqh4GbfXvxEIHECW+c3x+ qXvb/YIxuWtD0XNk/piqsX1yKO0JvgUwoLLfLwtYxRBrZBKjMCRU7Qu4O490fJFLLYmbqd05SHmnL jmOmeOyGDzjGBR1j7rOvBb4gXdSYWbXub0+zbX91atMyiDh+C7vX4v5YwhYrlF++JAtx93A8Gt/AF xUJ/6Z5GHMolSWKR2FIw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mLqlu-00AAlU-6m; Thu, 02 Sep 2021 17:45:06 +0000 Received: from mcgrof by bombadil.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1mLqi2-00A9FQ-9Y; 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 8/9] s390/block/scm_blk: add error handling support for add_disk() Date: Thu, 2 Sep 2021 10:41:04 -0700 Message-Id: <20210902174105.2418771-9-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 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/s390/block/scm_blk.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/s390/block/scm_blk.c b/drivers/s390/block/scm_blk.c index 88cba6212ee2..61ecdcb2cc6a 100644 --- a/drivers/s390/block/scm_blk.c +++ b/drivers/s390/block/scm_blk.c @@ -495,9 +495,14 @@ int scm_blk_dev_setup(struct scm_blk_dev *bdev, struct scm_device *scmdev) /* 512 byte sectors */ set_capacity(bdev->gendisk, scmdev->size >> 9); - device_add_disk(&scmdev->dev, bdev->gendisk, NULL); + ret = device_add_disk(&scmdev->dev, bdev->gendisk, NULL); + if (ret) + goto out_cleanup_disk; + return 0; +out_cleanup_disk: + blk_cleanup_disk(bdev->gendisk); out_tag: blk_mq_free_tag_set(&bdev->tag_set); out: -- 2.30.2 ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/