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 29AF5C433EF for ; Sat, 16 Oct 2021 00:10:27 +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 D5504611F0 for ; Sat, 16 Oct 2021 00:10:26 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org D5504611F0 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:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=RKU66AnJzLKhhgSWEHLOfZ4aIkidqzrddEWqP9yNa3s=; b=INM85RJhKz4T6I2ob6WZi+WSOU V4TlS2aA0wol3wNoFleaJcJBcvBtmSAtI44bjp6AfiVcqv4v31xKjq4aeSL7BjFVdzK0oked8BnqW O9uuGbbzqC1BpszBg++GRJsRmJwufqpBOEockT+JQJ3TVigNWBs+5e9QC4VPqUm1Rca7yfEvLbxx2 /MZorv1/AR3MH1csojEh2hRViosGFfpoPbR5vOHs4vI/jDdtpIkDgsYFhfmp5e13tulPYgt+eCkeG LnYlgn8xxW6/NDnFBh7BNE2d/J8XAQv06hYumet1FeWD4POWhVYD8Xj2zj+YAD3b/f5eBnDoPf4Mn XUUBAVEQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mbXHL-009IMI-Sg; Sat, 16 Oct 2021 00:10:23 +0000 Received: from mcgrof by bombadil.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1mbWzt-009C33-3r; Fri, 15 Oct 2021 23:52:21 +0000 From: Luis Chamberlain To: axboe@kernel.dk, geoff@infradead.org, mpe@ellerman.id.au, benh@kernel.crashing.org, paulus@samba.org, jim@jtan.com, minchan@kernel.org, ngupta@vflare.org, senozhatsky@chromium.org, richard@nod.at, miquel.raynal@bootlin.com, vigneshr@ti.com, dan.j.williams@intel.com, vishal.l.verma@intel.com, dave.jiang@intel.com, ira.weiny@intel.com, kbusch@kernel.org, hch@lst.de, sagi@grimberg.me Cc: linux-block@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-mtd@lists.infradead.org, nvdimm@lists.linux.dev, linux-nvme@lists.infradead.org, linux-kernel@vger.kernel.org, Luis Chamberlain Subject: [PATCH 05/13] nvdimm/btt: add error handling support for add_disk() Date: Fri, 15 Oct 2021 16:52:11 -0700 Message-Id: <20211015235219.2191207-6-mcgrof@kernel.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20211015235219.2191207-1-mcgrof@kernel.org> References: <20211015235219.2191207-1-mcgrof@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=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/nvdimm/btt.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/nvdimm/btt.c b/drivers/nvdimm/btt.c index 23ee8c005db5..57b921c5fbb5 100644 --- a/drivers/nvdimm/btt.c +++ b/drivers/nvdimm/btt.c @@ -1542,7 +1542,9 @@ static int btt_blk_init(struct btt *btt) } set_capacity(btt->btt_disk, btt->nlba * btt->sector_size >> 9); - device_add_disk(&btt->nd_btt->dev, btt->btt_disk, NULL); + rc = device_add_disk(&btt->nd_btt->dev, btt->btt_disk, NULL); + if (rc) + goto out_cleanup_disk; btt->nd_btt->size = btt->nlba * (u64)btt->sector_size; nvdimm_check_and_set_ro(btt->btt_disk); -- 2.30.2