From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1NuRvm-0001pQ-Bd for qemu-devel@nongnu.org; Wed, 24 Mar 2010 10:51:38 -0400 Received: from [140.186.70.92] (port=60921 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1NuRvk-0001oZ-IB for qemu-devel@nongnu.org; Wed, 24 Mar 2010 10:51:37 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1NuRvi-0006VU-PE for qemu-devel@nongnu.org; Wed, 24 Mar 2010 10:51:36 -0400 Received: from mx1.redhat.com ([209.132.183.28]:7769) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1NuRvi-0006VH-Gq for qemu-devel@nongnu.org; Wed, 24 Mar 2010 10:51:34 -0400 Received: from int-mx05.intmail.prod.int.phx2.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.18]) by mx1.redhat.com (8.13.8/8.13.8) with ESMTP id o2OEpXHD009153 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Wed, 24 Mar 2010 10:51:33 -0400 From: Amit Shah Date: Wed, 24 Mar 2010 20:19:29 +0530 Message-Id: <1269442173-18421-12-git-send-email-amit.shah@redhat.com> In-Reply-To: <1269442173-18421-11-git-send-email-amit.shah@redhat.com> References: <1269442173-18421-1-git-send-email-amit.shah@redhat.com> <1269442173-18421-2-git-send-email-amit.shah@redhat.com> <1269442173-18421-3-git-send-email-amit.shah@redhat.com> <1269442173-18421-4-git-send-email-amit.shah@redhat.com> <1269442173-18421-5-git-send-email-amit.shah@redhat.com> <1269442173-18421-6-git-send-email-amit.shah@redhat.com> <1269442173-18421-7-git-send-email-amit.shah@redhat.com> <1269442173-18421-8-git-send-email-amit.shah@redhat.com> <1269442173-18421-9-git-send-email-amit.shah@redhat.com> <1269442173-18421-10-git-send-email-amit.shah@redhat.com> <1269442173-18421-11-git-send-email-amit.shah@redhat.com> Subject: [Qemu-devel] [PATCH 11/15] virtio-serial: Send out guest data to ports only if port is opened List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu list Cc: Amit Shah , Juan Quintela , Gerd Hoffmann , "Michael S. Tsirkin" Data should be written only when ports are open. Signed-off-by: Amit Shah --- hw/virtio-serial-bus.c | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-) diff --git a/hw/virtio-serial-bus.c b/hw/virtio-serial-bus.c index efcc66c..80fbff4 100644 --- a/hw/virtio-serial-bus.c +++ b/hw/virtio-serial-bus.c @@ -350,6 +350,11 @@ static void handle_output(VirtIODevice *vdev, VirtQueue *vq) goto next_buf; } + if (!port->host_connected) { + ret = 0; + goto next_buf; + } + /* * A port may not have any handler registered for consuming the * data that the guest sends or it may not have a chardev associated -- 1.6.2.5