{"id":816246,"url":"http://patchwork.ozlabs.org/api/patches/816246/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20170920124507.18841-4-vsementsov@virtuozzo.com/","project":{"id":14,"url":"http://patchwork.ozlabs.org/api/projects/14/?format=json","name":"QEMU Development","link_name":"qemu-devel","list_id":"qemu-devel.nongnu.org","list_email":"qemu-devel@nongnu.org","web_url":"","scm_url":"","webscm_url":"","list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20170920124507.18841-4-vsementsov@virtuozzo.com>","list_archive_url":null,"date":"2017-09-20T12:45:07","name":"[v3,3/3] block/nbd-client: nbd_co_send_request: fix return code","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"f3ff7435f15fe99b0cf7d40c6ec194f223c88f9e","submitter":{"id":66592,"url":"http://patchwork.ozlabs.org/api/people/66592/?format=json","name":"Vladimir Sementsov-Ogievskiy","email":"vsementsov@virtuozzo.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20170920124507.18841-4-vsementsov@virtuozzo.com/mbox/","series":[{"id":4119,"url":"http://patchwork.ozlabs.org/api/series/4119/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/list/?series=4119","date":"2017-09-20T12:45:06","name":"nbd client refactoring and fixing","version":3,"mbox":"http://patchwork.ozlabs.org/series/4119/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/816246/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/816246/checks/","tags":{},"related":[],"headers":{"Return-Path":"<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@bilbo.ozlabs.org","Authentication-Results":"ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=nongnu.org\n\t(client-ip=2001:4830:134:3::11; helo=lists.gnu.org;\n\tenvelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n\treceiver=<UNKNOWN>)","Received":["from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11])\n\t(using TLSv1 with cipher AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3xy1wG6nb6z9sNr\n\tfor <incoming@patchwork.ozlabs.org>;\n\tThu, 21 Sep 2017 00:14:53 +1000 (AEST)","from localhost ([::1]:48353 helo=lists.gnu.org)\n\tby lists.gnu.org with esmtp (Exim 4.71) (envelope-from\n\t<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>)\n\tid 1dufm5-0002Uj-89\n\tfor incoming@patchwork.ozlabs.org; Wed, 20 Sep 2017 10:14:49 -0400","from eggs.gnu.org ([2001:4830:134:3::10]:37020)\n\tby lists.gnu.org with esmtp (Exim 4.71)\n\t(envelope-from <vsementsov@virtuozzo.com>) id 1duf2I-0003Qb-LA\n\tfor qemu-devel@nongnu.org; Wed, 20 Sep 2017 09:27:31 -0400","from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)\n\t(envelope-from <vsementsov@virtuozzo.com>) id 1duf2H-0004cK-RC\n\tfor qemu-devel@nongnu.org; Wed, 20 Sep 2017 09:27:30 -0400","from mailhub.sw.ru ([195.214.232.25]:1516 helo=relay.sw.ru)\n\tby eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32)\n\t(Exim 4.71) (envelope-from <vsementsov@virtuozzo.com>)\n\tid 1duf25-0004RB-Oi; Wed, 20 Sep 2017 09:27:18 -0400","from kvm.sw.ru (msk-vpn.virtuozzo.com [195.214.232.6])\n\tby relay.sw.ru (8.13.4/8.13.4) with ESMTP id v8KCj7vp016453;\n\tWed, 20 Sep 2017 15:45:09 +0300 (MSK)"],"From":"Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>","To":"qemu-block@nongnu.org, qemu-devel@nongnu.org","Date":"Wed, 20 Sep 2017 15:45:07 +0300","Message-Id":"<20170920124507.18841-4-vsementsov@virtuozzo.com>","X-Mailer":"git-send-email 2.11.1","In-Reply-To":"<20170920124507.18841-1-vsementsov@virtuozzo.com>","References":"<20170920124507.18841-1-vsementsov@virtuozzo.com>","X-detected-operating-system":"by eggs.gnu.org: OpenBSD 3.x [fuzzy]","X-Received-From":"195.214.232.25","Subject":"[Qemu-devel] [PATCH v3 3/3] block/nbd-client: nbd_co_send_request:\n\tfix return code","X-BeenThere":"qemu-devel@nongnu.org","X-Mailman-Version":"2.1.21","Precedence":"list","List-Id":"<qemu-devel.nongnu.org>","List-Unsubscribe":"<https://lists.nongnu.org/mailman/options/qemu-devel>,\n\t<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>","List-Archive":"<http://lists.nongnu.org/archive/html/qemu-devel/>","List-Post":"<mailto:qemu-devel@nongnu.org>","List-Help":"<mailto:qemu-devel-request@nongnu.org?subject=help>","List-Subscribe":"<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n\t<mailto:qemu-devel-request@nongnu.org?subject=subscribe>","Cc":"kwolf@redhat.com, vsementsov@virtuozzo.com, mreitz@redhat.com,\n\tden@openvz.org, pbonzini@redhat.com","Errors-To":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org","Sender":"\"Qemu-devel\"\n\t<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>"},"content":"It's incorrect to return success rc >= 0 if we skip qio_channel_writev_all()\ncall due to s->quit.\n\nSigned-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>\n---\n block/nbd-client.c | 2 ++\n 1 file changed, 2 insertions(+)","diff":"diff --git a/block/nbd-client.c b/block/nbd-client.c\nindex 486bfff9f7..9d1e154feb 100644\n--- a/block/nbd-client.c\n+++ b/block/nbd-client.c\n@@ -161,6 +161,8 @@ static int nbd_co_send_request(BlockDriverState *bs,\n                                        NULL) < 0) {\n                 rc = -EIO;\n             }\n+        } else if (rc >= 0) {\n+            rc = -EIO;\n         }\n         qio_channel_set_cork(s->ioc, false);\n     } else {\n","prefixes":["v3","3/3"]}