From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:56997) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dG6uV-0007px-Q2 for qemu-devel@nongnu.org; Wed, 31 May 2017 12:55:53 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dG6uR-00040x-SX for qemu-devel@nongnu.org; Wed, 31 May 2017 12:55:51 -0400 Received: from mailhub.sw.ru ([195.214.232.25]:28841 helo=relay.sw.ru) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1dG6uR-000408-H1 for qemu-devel@nongnu.org; Wed, 31 May 2017 12:55:47 -0400 From: Vladimir Sementsov-Ogievskiy Date: Wed, 31 May 2017 19:55:34 +0300 Message-Id: <20170531165541.47338-6-vsementsov@virtuozzo.com> In-Reply-To: <20170531165541.47338-1-vsementsov@virtuozzo.com> References: <20170531165541.47338-1-vsementsov@virtuozzo.com> Subject: [Qemu-devel] [PATCH 05/12] nbd/server: refactor nbd_co_send_reply List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: pbonzini@redhat.com, eblake@redhat.com, den@openvz.org, vsementsov@virtuozzo.com As nbd_write never returns value > 0, we can get rid of extra ret. Signed-off-by: Vladimir Sementsov-Ogievskiy Reviewed-by: Eric Blake --- nbd/server.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/nbd/server.c b/nbd/server.c index 8985df86b4..dd6b241761 100644 --- a/nbd/server.c +++ b/nbd/server.c @@ -972,7 +972,7 @@ void nbd_export_close_all(void) static int nbd_co_send_reply(NBDRequestData *req, NBDReply *reply, int len) { NBDClient *client = req->client; - int rc, ret; + int rc; g_assert(qemu_in_coroutine()); qemu_co_mutex_lock(&client->send_lock); @@ -983,9 +983,9 @@ static int nbd_co_send_reply(NBDRequestData *req, NBDReply *reply, int len) } else { qio_channel_set_cork(client->ioc, true); rc = nbd_send_reply(client->ioc, reply); - if (rc >= 0) { - ret = nbd_write(client->ioc, req->data, len, NULL); - if (ret < 0) { + if (rc == 0) { + rc = nbd_write(client->ioc, req->data, len, NULL); + if (rc < 0) { rc = -EIO; } } -- 2.11.1