From patchwork Thu Sep 2 17:41:05 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luis Chamberlain X-Patchwork-Id: 12472211 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 6E229C83032 for ; Thu, 2 Sep 2021 17:41:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4EF0961154 for ; Thu, 2 Sep 2021 17:41:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1347026AbhIBRmU (ORCPT ); Thu, 2 Sep 2021 13:42:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36922 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1346791AbhIBRmR (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 EFD7CC061757; Thu, 2 Sep 2021 10:41:18 -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=7V8FZ80qIliivCO2ypIuGl2Awrc5ZK57tRJ4fo+fTPQ=; b=kjbVAj8y8kqrHOxzh5HG+PkbB9 Y6I1Ri0p1OX8ZojE1JOAtx4zNb9br0bIT6kKcK0pwb43OF/nWHFc+nzS0JUAXe3mIT6QK9s5vu4ue fVEEbUgJeTgtw4VwPNvigT+lKIU6Dc8233ERbzZkIIXiwvWz4Hyfz6tf4LrQ28A1u9dDSaA6rYFq9 35uMQ4WV2bbPVzdnA4rPEVZgLiAh6l2P8UTq9MmGpEaNGRNmvPKTLrfXBUgdDd1mjX1O5JxBV7YmM e8r3pzUqdi2C5GoAQ05/qJlFjCC4Bdm93rQ4fhe1239c5f20fXZ37R5oExtjYihS2xkkljbg05j1x Sjh2fZXQ==; Received: from mcgrof by bombadil.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1mLqi2-00A9FS-An; 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 9/9] s390/block/xpram: add error handling support for add_disk() Date: Thu, 2 Sep 2021 10:41:05 -0700 Message-Id: <20210902174105.2418771-10-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: linux-mmc@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/xpram.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/s390/block/xpram.c b/drivers/s390/block/xpram.c index ce98fab4d43c..ed3904b6a9c8 100644 --- a/drivers/s390/block/xpram.c +++ b/drivers/s390/block/xpram.c @@ -371,7 +371,9 @@ static int __init xpram_setup_blkdev(void) disk->private_data = &xpram_devices[i]; sprintf(disk->disk_name, "slram%d", i); set_capacity(disk, xpram_sizes[i] << 1); - add_disk(disk); + rc = add_disk(disk); + if (rc) + goto out; } return 0;