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virtio-serial: don't crash on invalid input 

Fix crash on invalid input in virtio-serial.
Discovered by code review, untested.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Michael S. Tsirkin 2011-03-22 18:32:50 +02:00
parent 6cdfab2868
commit fbe0c55910
1 changed files with 3 additions and 0 deletions
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3
hw/virtio-serial-bus.c
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@ -594,6 +594,9 @@ static int virtio_serial_load(QEMUFile *f, void *opaque, int version_id)
id = qemu_get_be32(f);
port = find_port_by_id(s, id);
if (!port) {
return -EINVAL;
}
port->guest_connected = qemu_get_byte(f);
host_connected = qemu_get_byte(f);