From 07d8084624b3f5cbde7777849147a6a3a862e90a Mon Sep 17 00:00:00 2001 From: "Michael S. Tsirkin" Date: Thu, 4 Sep 2014 11:39:10 +0300 Subject: 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 Signed-off-by: Michael S. Tsirkin Acked-by: Jason Wang Signed-off-by: Stefan Hajnoczi --- net/queue.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'net/queue.c') diff --git a/net/queue.c b/net/queue.c index 859d02a136..f948318718 100644 --- a/net/queue.c +++ b/net/queue.c @@ -233,6 +233,9 @@ void qemu_net_queue_purge(NetQueue *queue, NetClientState *from) if (packet->sender == from) { QTAILQ_REMOVE(&queue->packets, packet, entry); queue->nq_count--; + if (packet->sent_cb) { + packet->sent_cb(packet->sender, 0); + } g_free(packet); } } -- cgit v1.2.1