From patchwork Fri Aug 21 19:53:50 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= X-Patchwork-Id: 275834 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=-12.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY,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 0187BC433E1 for ; Fri, 21 Aug 2020 19:57:23 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (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 BD8452072D for ; Fri, 21 Aug 2020 19:57:22 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="EBWXQ/Z6" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BD8452072D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:46128 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1k9DA9-0003rQ-Va for qemu-devel@archiver.kernel.org; Fri, 21 Aug 2020 15:57:22 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:36356) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1k9D7W-0007FH-Vm for qemu-devel@nongnu.org; Fri, 21 Aug 2020 15:54:39 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:29007) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1k9D7V-0002hy-5v for qemu-devel@nongnu.org; Fri, 21 Aug 2020 15:54:38 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1598039676; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=7xDCDapdWyub1oQeIVHPwnt1jYU5IQrsPDwy4E3ew7k=; b=EBWXQ/Z6HAdSokCSMSSY+0WxV2HYjYldpFS0IsiMZjgHhUeFWD4hBrEArOL4wPR64BWnPS mVERTwoJr9BLoS/rl0GZUdt2SHQsbMWf5oH7iLOKUYMvmJ8Of9uxWxAILz7TEUneuQqMa3 vMaEuq37IsBtCW6hP6PDUxek0ByAxjk= Received: from mail-wm1-f70.google.com (mail-wm1-f70.google.com [209.85.128.70]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-187-c_oTzyNvNP6-yyMY_NKQ6Q-1; Fri, 21 Aug 2020 15:54:34 -0400 X-MC-Unique: c_oTzyNvNP6-yyMY_NKQ6Q-1 Received: by mail-wm1-f70.google.com with SMTP id k204so1375066wmb.3 for ; Fri, 21 Aug 2020 12:54:34 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=7xDCDapdWyub1oQeIVHPwnt1jYU5IQrsPDwy4E3ew7k=; b=BQGhbKIMYKqqLwFUuX0cTLeO4C3vHMiHa2JO3H0nNbB9/gt0c3ijsn0RaCeMpexh6e s/XFEWyUWl+MLHya1+2BZYM0z/3p4L8SKSLIB60UKJLq3QsN29XfLRCUgMq7l3y3gx4p ypnVTybmGCVW7wMQIAlzJVnYV2hfCtABnBkWoyouyRJkZjve+d4BJSG+HNjLF0gNvehi 7ukumT0CFkqtc8kHvUjdsG876dasY9YL+onPg5Oum1lfgi+jYMXlG0HROA+OWD9lUVYY cAauNZJsV74LRj5iTqa3Dif6rCO+k8sVzb5jxBmVs3S524KAmKX/ZAubDsN7vsGQ0+k6 nZNQ== X-Gm-Message-State: AOAM531eN5S1UMxat7gbx45WpgwbUXGdSWvVdN0Y7JD53WwN04HcBTFj f8iBg2OZct2aeUJvx4AaGdK32yx6zqu66rsabDJMVXaFTWXK9ZaKTZt1jNdnNO3UzDud/2IU+Uo WvFr5o8VaFZleHe0= X-Received: by 2002:a1c:a54e:: with SMTP id o75mr5468870wme.181.1598039673693; Fri, 21 Aug 2020 12:54:33 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzPe89aAI6gKRcPETnkSxHgC7A8l1QHiyl3gfzMig87o+Kl7saTf6y48FosXkdn25nId9vxSA== X-Received: by 2002:a1c:a54e:: with SMTP id o75mr5468860wme.181.1598039673531; Fri, 21 Aug 2020 12:54:33 -0700 (PDT) Received: from x1w.redhat.com (121.red-81-40-121.staticip.rima-tde.net. [81.40.121.121]) by smtp.gmail.com with ESMTPSA id l17sm6663952wmg.1.2020.08.21.12.54.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 21 Aug 2020 12:54:32 -0700 (PDT) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [PATCH v6 06/15] block/nvme: Use common error path in nvme_add_io_queue() Date: Fri, 21 Aug 2020 21:53:50 +0200 Message-Id: <20200821195359.1285345-7-philmd@redhat.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200821195359.1285345-1-philmd@redhat.com> References: <20200821195359.1285345-1-philmd@redhat.com> MIME-Version: 1.0 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=philmd@redhat.com X-Mimecast-Spam-Score: 0.002 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=216.205.24.124; envelope-from=philmd@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/08/21 04:26:32 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -40 X-Spam_score: -4.1 X-Spam_bar: ---- X-Spam_report: (-4.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=-1, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , Fam Zheng , qemu-block@nongnu.org, Max Reitz , Stefan Hajnoczi , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , Stefano Garzarella Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Rearrange nvme_add_io_queue() by using a common error path. This will be proven useful in few commits where we add IRQ notification to the IO queues. Reviewed-by: Stefan Hajnoczi Reviewed-by: Stefano Garzarella Signed-off-by: Philippe Mathieu-Daudé --- block/nvme.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/block/nvme.c b/block/nvme.c index c63629d3b45..419178adda3 100644 --- a/block/nvme.c +++ b/block/nvme.c @@ -649,8 +649,7 @@ static bool nvme_add_io_queue(BlockDriverState *bs, Error **errp) }; if (nvme_cmd_sync(bs, s->queues[INDEX_ADMIN], &cmd)) { error_setg(errp, "Failed to create CQ io queue [%d]", n); - nvme_free_queue_pair(q); - return false; + goto out_error; } cmd = (NvmeCmd) { .opcode = NVME_ADM_CMD_CREATE_SQ, @@ -660,13 +659,15 @@ static bool nvme_add_io_queue(BlockDriverState *bs, Error **errp) }; if (nvme_cmd_sync(bs, s->queues[INDEX_ADMIN], &cmd)) { error_setg(errp, "Failed to create SQ io queue [%d]", n); - nvme_free_queue_pair(q); - return false; + goto out_error; } s->queues = g_renew(NVMeQueuePair *, s->queues, n + 1); s->queues[n] = q; s->nr_queues++; return true; +out_error: + nvme_free_queue_pair(q); + return false; } static bool nvme_poll_cb(void *opaque)