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net: add qemu_purge_queued_packets()

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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>
This commit is contained in:
Mark McLoughlin 2009-06-18 18:21:29 +01:00 • committed by Anthony Liguori
parent 08b9d66b96
commit 8cad55161c
2 changed files with 17 additions and 0 deletions
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16
net.c
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@ -439,6 +439,22 @@ qemu_deliver_packet(VLANClientState *sender, const uint8_t *buf, int size)
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;