tree c293e54558eccc444213ab399426eb11168d3954
parent 269bd822e7f5ab80048b05fb7076236ed66ffbce
author Michael S. Tsirkin <mst@redhat.com> 1409819950 +0300
committer Stefan Hajnoczi <stefanha@redhat.com> 1409847549 +0100

net: invoke callback when purging queue

devices rely on packet callbacks eventually running,
but we violate this rule whenever we purge the queue.
To fix, invoke callbacks on all packets on purge.
Set length to 0, this way callers can detect that
this happened and re-queue if necessary.

Cc: qemu-stable@nongnu.org
Cc: Jason Wang <jasowang@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>