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Diffstat (limited to 'net/l2tp/l2tp_core.c')
-rw-r--r--net/l2tp/l2tp_core.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/net/l2tp/l2tp_core.c b/net/l2tp/l2tp_core.c
index e841ef2a68a5..69c316dd02dc 100644
--- a/net/l2tp/l2tp_core.c
+++ b/net/l2tp/l2tp_core.c
@@ -829,6 +829,23 @@ discard:
}
EXPORT_SYMBOL(l2tp_recv_common);
+/* Drop skbs from the session's reorder_q
+ */
+int l2tp_session_queue_purge(struct l2tp_session *session)
+{
+ struct sk_buff *skb = NULL;
+ BUG_ON(!session);
+ BUG_ON(session->magic != L2TP_SESSION_MAGIC);
+ while ((skb = skb_dequeue(&session->reorder_q))) {
+ atomic_long_inc(&session->stats.rx_errors);
+ kfree_skb(skb);
+ if (session->deref)
+ (*session->deref)(session);
+ }
+ return 0;
+}
+EXPORT_SYMBOL_GPL(l2tp_session_queue_purge);
+
/* Internal UDP receive frame. Do the real work of receiving an L2TP data frame
* here. The skb is not on a list when we get here.
* Returns 0 if the packet was a data packet and was successfully passed on.