virtio-serial: Make sure virtqueue is ready before discarding data
commitcb5281b1998c12b8d93d0c6a29aeae13934ceb1a
authorAmit Shah <amit.shah@redhat.com>
Fri, 4 Feb 2011 08:54:18 +0000 (4 14:24 +0530)
committerAnthony Liguori <aliguori@us.ibm.com>
Fri, 4 Feb 2011 12:53:52 +0000 (4 06:53 -0600)
tree36f061c16e7ce205775ffff69e0aff9f708a4a40
parent9a121a2fbf88dd1bc869b1ac2449dc12c27cccfa
virtio-serial: Make sure virtqueue is ready before discarding data

This can happen if a port gets unplugged before guest has chance to
initialise vqs.

Reported-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
(cherry picked from commit 7185f9315bcf90e99b123370cf4d19b8c20afbd5)
hw/virtio-serial-bus.c