From patchwork Fri Aug 27 19:18:05 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luis Chamberlain X-Patchwork-Id: 12462847 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=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 D2BC1C41537 for ; Fri, 27 Aug 2021 20:12:45 +0000 (UTC) Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (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 A397060EFF for ; Fri, 27 Aug 2021 20:12:45 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org A397060EFF Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=lists.xenproject.org Received: from list by lists.xenproject.org with outflank-mailman.173945.317354 (Exim 4.92) (envelope-from ) id 1mJiDC-0008K9-NY; Fri, 27 Aug 2021 20:12:26 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 173945.317354; Fri, 27 Aug 2021 20:12:26 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1mJiDC-0008HA-D4; Fri, 27 Aug 2021 20:12:26 +0000 Received: by outflank-mailman (input) for mailman id 173945; Fri, 27 Aug 2021 19:18:44 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1mJhNE-0001H3-B5 for xen-devel@lists.xenproject.org; Fri, 27 Aug 2021 19:18:44 +0000 Received: from bombadil.infradead.org (unknown [2607:7c80:54:e::133]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id c5be3486-3969-44fc-b924-607a315ce7c2; Fri, 27 Aug 2021 19:18:22 +0000 (UTC) Received: from mcgrof by bombadil.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1mJhMh-00D5B4-BH; Fri, 27 Aug 2021 19:18:11 +0000 X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list X-Inumbo-ID: c5be3486-3969-44fc-b924-607a315ce7c2 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=MlI7d0NX6/gbusr57eEjs+4gHr0mIPfbnhczoHLdvTU=; b=FiVuZjEeF4M9ZPaADvhCFh2tVN DYzuVOnQmxkB6JoMep8Nf6n0GlJbr2Q8vO49ziGqNHa6U7Oit5uXjxVqrkzljKd5V4BEzEEAUkUD6 YkPOGbzZDCekCv+riLl+K1iJzN5XsHP27b3OELPN4/xukR2OO/D0M/BfnulrdBkq6hBZbx5yvaWR8 jYpGUufJSWYUf92kagUPDE7vDOe+VuqHuiQQ+vWtf/BMkP8rZiEbfsWLqq+zspf5RTu1JOPpd0SDd pZexEgoIjJykLfRqUEO6XEGLamStM3CeBh+3o8KVyzA5W26cCP7v0d2MiCEfgKaU9kuR6jvDKuurb gNssezdw==; From: Luis Chamberlain To: axboe@kernel.dk, colyli@suse.de, kent.overstreet@gmail.com, kbusch@kernel.org, sagi@grimberg.me, vishal.l.verma@intel.com, dan.j.williams@intel.com, dave.jiang@intel.com, ira.weiny@intel.com, konrad.wilk@oracle.com, roger.pau@citrix.com, boris.ostrovsky@oracle.com, jgross@suse.com, sstabellini@kernel.org, minchan@kernel.org, ngupta@vflare.org, senozhatsky@chromium.org Cc: xen-devel@lists.xenproject.org, nvdimm@lists.linux.dev, linux-nvme@lists.infradead.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, Luis Chamberlain Subject: [PATCH 06/10] nvdimm/btt: add error handling support for add_disk() Date: Fri, 27 Aug 2021 12:18:05 -0700 Message-Id: <20210827191809.3118103-7-mcgrof@kernel.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210827191809.3118103-1-mcgrof@kernel.org> References: <20210827191809.3118103-1-mcgrof@kernel.org> MIME-Version: 1.0 Sender: Luis Chamberlain 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 275704d80109..abdac4b7769f 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);