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=-8.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS 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 6CE8FC432BE for ; Tue, 24 Aug 2021 06:12:32 +0000 (UTC) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (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 CF61161356 for ; Tue, 24 Aug 2021 06:12:31 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org CF61161356 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=tempfail smtp.mailfrom=redhat.com Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-198-aTBpHxHEPNuYf5f7Q_QUYA-1; Tue, 24 Aug 2021 02:12:28 -0400 X-MC-Unique: aTBpHxHEPNuYf5f7Q_QUYA-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 83B0F100806F; Tue, 24 Aug 2021 06:12:24 +0000 (UTC) Received: from colo-mx.corp.redhat.com (colo-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.20]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 53A0A3AA2; Tue, 24 Aug 2021 06:12:24 +0000 (UTC) Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by colo-mx.corp.redhat.com (Postfix) with ESMTP id 238E31819AC9; Tue, 24 Aug 2021 06:12:24 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.rdu2.redhat.com [10.11.54.6]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id 17O6CM3m025638 for ; Tue, 24 Aug 2021 02:12:22 -0400 Received: by smtp.corp.redhat.com (Postfix) id 91177200AD10; Tue, 24 Aug 2021 06:12:22 +0000 (UTC) Received: from mimecast-mx02.redhat.com (mimecast06.extmail.prod.ext.rdu2.redhat.com [10.11.55.22]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 8BA60215CDD6 for ; Tue, 24 Aug 2021 06:12:20 +0000 (UTC) Received: from us-smtp-1.mimecast.com (us-smtp-delivery-1.mimecast.com [205.139.110.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id E2D3D185A79C for ; Tue, 24 Aug 2021 06:12:19 +0000 (UTC) Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-308-MlOD3dvIN8KuwZ5mCeVRag-1; Tue, 24 Aug 2021 02:12:17 -0400 X-MC-Unique: MlOD3dvIN8KuwZ5mCeVRag-1 Received: from hch by casper.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1mIPcv-00AdX1-Qy; Tue, 24 Aug 2021 06:09:50 +0000 Date: Tue, 24 Aug 2021 07:09:37 +0100 From: Christoph Hellwig To: Luis Chamberlain Message-ID: References: <20210823202930.137278-1-mcgrof@kernel.org> <20210823202930.137278-6-mcgrof@kernel.org> MIME-Version: 1.0 In-Reply-To: <20210823202930.137278-6-mcgrof@kernel.org> X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html X-Mimecast-Impersonation-Protect: Policy=CLT - Impersonation Protection Definition; Similar Internal Domain=false; Similar Monitored External Domain=false; Custom External Domain=false; Mimecast External Domain=false; Newly Observed Domain=false; Internal User Name=false; Custom Display Name List=false; Reply-to Address Mismatch=false; Targeted Threat Dictionary=false; Mimecast Threat Dictionary=false; Custom Threat Dictionary=false X-Scanned-By: MIMEDefang 2.78 on 10.11.54.6 X-loop: dm-devel@redhat.com Cc: ulf.hansson@linaro.org, snitzer@redhat.com, linux-nvme@lists.infradead.org, linux-kernel@vger.kernel.org, dm-devel@redhat.com, agk@redhat.com, beanhuo@micron.com, ming.lei@redhat.com, sagi@grimberg.me, linux-scsi@vger.kernel.org, hch@infradead.org, jejb@linux.ibm.com, josef@toxicpanda.com, nbd@other.debian.org, linux-block@vger.kernel.org, avri.altman@wdc.com, kbusch@kernel.org, swboyd@chromium.org, bvanassche@acm.org, axboe@kernel.dk, martin.petersen@oracle.com, linux-mmc@vger.kernel.org, adrian.hunter@intel.com Subject: Re: [dm-devel] [PATCH 05/10] nvme: add error handling support for add_disk() X-BeenThere: dm-devel@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: device-mapper development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=dm-devel-bounces@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Disposition: inline Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit On Mon, Aug 23, 2021 at 01:29:25PM -0700, Luis Chamberlain wrote: > + rc = device_add_disk(ctrl->device, ns->disk, nvme_ns_id_attr_groups); > + if (rc) > + goto out_cleanup_ns_from_list; > + Nit: no real need for the rc variable here as we never use the actual value. > if (!nvme_ns_head_multipath(ns->head)) > nvme_add_ns_cdev(ns); > > @@ -3785,6 +3789,10 @@ static void nvme_alloc_ns(struct nvme_ctrl *ctrl, unsigned nsid, > > return; > > + out_cleanup_ns_from_list: > + down_write(&ctrl->namespaces_rwsem); > + list_del_init(&ns->list); > + up_write(&ctrl->namespaces_rwsem); This also needs to do a nvme_put_ctrl. -- dm-devel mailing list dm-devel@redhat.com https://listman.redhat.com/mailman/listinfo/dm-devel