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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]:39510 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kXjFn-0005KU-VM for qemu-devel@archiver.kernel.org; Wed, 28 Oct 2020 07:04:31 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:43434) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kXjEe-0004jk-6a for qemu-devel@nongnu.org; Wed, 28 Oct 2020 07:03:20 -0400 Received: from us-smtp-delivery-124.mimecast.com ([63.128.21.124]:45661) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1kXjEc-0002r9-Ji for qemu-devel@nongnu.org; Wed, 28 Oct 2020 07:03:19 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1603882997; 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=4iF9bly2xxc9od8VzjkLUt1otCvq7S5ffUTJOo0WEx4=; b=cI5XZ84ocqmAuF0Vf4ykK3a9mBcfW3ms0Pybd3CZ/UN9nDFf6CPWElL0xanonh7skG48RI lzhA3AmthxXoA/wkUtf0F8sPx2z1jzA979HFELsEQrHxMAW1MliCFekzozkkbEhz5UCo2Y Ts2N1/TQs/EkPtOl+xx6/UChxnrlCLA= 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-588-yhRb_md5PKOp1bHmtKtbhg-1; Wed, 28 Oct 2020 07:03:13 -0400 X-MC-Unique: yhRb_md5PKOp1bHmtKtbhg-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 0CB819CC02; Wed, 28 Oct 2020 11:03:11 +0000 (UTC) Received: from [10.36.112.194] (ovpn-112-194.ams2.redhat.com [10.36.112.194]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 2EA3B1C4; Wed, 28 Oct 2020 11:03:01 +0000 (UTC) Subject: Re: [PATCH 11/25] block/nvme: Make nvme_identify() return boolean indicating error To: =?UTF-8?Q?Philippe_Mathieu-Daud=c3=a9?= , qemu-devel@nongnu.org References: <20201027135547.374946-1-philmd@redhat.com> <20201027135547.374946-12-philmd@redhat.com> From: Auger Eric Message-ID: Date: Wed, 28 Oct 2020 12:03:00 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.5.0 MIME-Version: 1.0 In-Reply-To: <20201027135547.374946-12-philmd@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=eric.auger@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=63.128.21.124; envelope-from=eric.auger@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/10/28 01:51:10 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -29 X-Spam_score: -3.0 X-Spam_bar: --- X-Spam_report: (-3.0 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, NICE_REPLY_A=-0.921, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable 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: Fam Zheng , Kevin Wolf , qemu-block@nongnu.org, Max Reitz , Keith Busch , Stefan Hajnoczi , Klaus Jensen Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Hi, On 10/27/20 2:55 PM, Philippe Mathieu-Daudé wrote: > Just for consistency, following the example documented since > commit e3fe3988d7 ("error: Document Error API usage rules"), > return a boolean value indicating an error is set or not. Then I think the returned value should be used by the caller in this patch Thanks Eric > > Signed-off-by: Philippe Mathieu-Daudé > --- > block/nvme.c | 7 ++++++- > 1 file changed, 6 insertions(+), 1 deletion(-) > > diff --git a/block/nvme.c b/block/nvme.c > index 8b0fd59c6ea..74994c442e5 100644 > --- a/block/nvme.c > +++ b/block/nvme.c > @@ -506,9 +506,11 @@ static int nvme_cmd_sync(BlockDriverState *bs, NVMeQueuePair *q, > return ret; > } > > -static void nvme_identify(BlockDriverState *bs, int namespace, Error **errp) > +/* Returns true on success, false on failure. */ > +static bool nvme_identify(BlockDriverState *bs, int namespace, Error **errp) > { > BDRVNVMeState *s = bs->opaque; > + bool ret = false;> union { > NvmeIdCtrl ctrl; > NvmeIdNs ns; > @@ -585,10 +587,13 @@ static void nvme_identify(BlockDriverState *bs, int namespace, Error **errp) > goto out; > } > > + ret = true; > s->blkshift = lbaf->ds; > out: > qemu_vfio_dma_unmap(s->vfio, id); > qemu_vfree(id); > + > + return ret; > } > > static bool nvme_poll_queue(NVMeQueuePair *q) >