From patchwork Thu May 31 07:46:00 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Sergio Lopez Pascual X-Patchwork-Id: 10440473 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 3254D603D7 for ; Thu, 31 May 2018 07:47:46 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 25F1829131 for ; Thu, 31 May 2018 07:47:46 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 1A4E029152; Thu, 31 May 2018 07:47:46 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00, MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id B724729136 for ; Thu, 31 May 2018 07:47:45 +0000 (UTC) Received: from localhost ([::1]:42439 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fOIJE-0002fV-FX for patchwork-qemu-devel@patchwork.kernel.org; Thu, 31 May 2018 03:47:44 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:34670) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fOIHt-0001ek-MP for qemu-devel@nongnu.org; Thu, 31 May 2018 03:46:22 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fOIHs-0007mS-75 for qemu-devel@nongnu.org; Thu, 31 May 2018 03:46:21 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:34478 helo=mx1.redhat.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1fOIHs-0007mJ-3g for qemu-devel@nongnu.org; Thu, 31 May 2018 03:46:20 -0400 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.rdu2.redhat.com [10.11.54.4]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id A81647DAC1 for ; Thu, 31 May 2018 07:46:19 +0000 (UTC) Received: from dritchie.redhat.com (ovpn-116-105.ams2.redhat.com [10.36.116.105]) by smtp.corp.redhat.com (Postfix) with ESMTP id 617482026DEF; Thu, 31 May 2018 07:46:18 +0000 (UTC) From: Sergio Lopez To: berrange@redhat.com, pbonzini@redhat.com, marcandre.lureau@redhat.com, mst@redhat.com Date: Thu, 31 May 2018 09:46:00 +0200 Message-Id: <20180531074601.10647-3-slp@redhat.com> In-Reply-To: <20180531074601.10647-1-slp@redhat.com> References: <20180531074601.10647-1-slp@redhat.com> X-Scanned-By: MIMEDefang 2.78 on 10.11.54.4 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.2]); Thu, 31 May 2018 07:46:19 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.2]); Thu, 31 May 2018 07:46:19 +0000 (UTC) for IP:'10.11.54.4' DOMAIN:'int-mx04.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'slp@redhat.com' RCPT:'' X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 66.187.233.73 Subject: [Qemu-devel] [PATCH 2/3] chardev: On QIO_CHANNEL_ERR_BROKEN set errno to EPIPE X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-devel@nongnu.org, Sergio Lopez Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP This allows callers to identify this potentially unrecoverable error. Reviewed-by: Marc-André Lureau --- chardev/char-io.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/chardev/char-io.c b/chardev/char-io.c index f810524..f934eb9 100644 --- a/chardev/char-io.c +++ b/chardev/char-io.c @@ -168,6 +168,9 @@ int io_channel_send_full(QIOChannel *ioc, errno = EAGAIN; return -1; + } else if (ret == QIO_CHANNEL_ERR_BROKEN) { + errno = EPIPE; + return -1; } else if (ret < 0) { errno = EINVAL; return -1;