net: add qemu_purge_queued_packets()
If net client sends packets asynchronously, it needs to purge its queued
packets in cleanup() so as to prevent sent callbacks being invoked with
a freed client.
Signed-off-by: Mark McLoughlin <markmc@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
diff --git a/net.c b/net.c
index 5b092c7..cea545e 100644
--- a/net.c
+++ b/net.c
@@ -439,6 +439,22 @@
return ret;
}
+void qemu_purge_queued_packets(VLANClientState *vc)
+{
+ VLANPacket **pp = &vc->vlan->send_queue;
+
+ while (*pp != NULL) {
+ VLANPacket *packet = *pp;
+
+ if (packet->sender == vc) {
+ *pp = packet->next;
+ qemu_free(packet);
+ } else {
+ pp = &packet->next;
+ }
+ }
+}
+
void qemu_flush_queued_packets(VLANClientState *vc)
{
VLANPacket *packet;