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authorAmit Shah <amit.shah@redhat.com>2010-04-27 18:04:04 +0530
committerAnthony Liguori <aliguori@us.ibm.com>2010-04-28 08:58:21 -0500
commit3ecb45f893d09a97b8f24399b5e40808a708261f (patch)
treed0baca75d720b6981616bc5f2d743fc073deef77 /hw/virtio-serial-bus.c
parent4048c7c321d3029e8c41863a9f54dc39054c57ca (diff)
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virtio-serial: Send out guest data to ports only if port is opened
Data should be written only when ports are open. Signed-off-by: Amit Shah <amit.shah@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Diffstat (limited to 'hw/virtio-serial-bus.c')
-rw-r--r--hw/virtio-serial-bus.c5
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