From 3b14f2dd4a1f3ed4e1cf0fd199436593849bb40a Mon Sep 17 00:00:00 2001 From: Amit Shah Date: Tue, 27 Apr 2010 09:07:37 -0300 Subject: [PATCH 10/20] virtio-serial: Send out guest data to ports only if port is opened RH-Author: Amit Shah Message-id: <1272359264-8464-11-git-send-email-amit.shah@redhat.com> Patchwork-id: 8857 O-Subject: [RHEL6 PATCH v4 10/17] virtio-serial: Send out guest data to ports only if port is opened Bugzilla: 574296 RH-Acked-by: Gerd Hoffmann RH-Acked-by: Juan Quintela RH-Acked-by: Alon Levy Data should be written only when ports are open. Bugzilla: 574296 Upstream: Signed-off-by: Amit Shah --- hw/virtio-serial-bus.c | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-) Signed-off-by: Eduardo Habkost --- 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 3a09f0d..6befd4d 100644 --- a/hw/virtio-serial-bus.c +++ b/hw/virtio-serial-bus.c @@ -335,6 +335,11 @@ 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 -- 1.7.0.3