diff options
| -rw-r--r-- | drivers/net/pppol2tp.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/net/pppol2tp.c b/drivers/net/pppol2tp.c index 9a90cede0ec..3d10ca050b7 100644 --- a/drivers/net/pppol2tp.c +++ b/drivers/net/pppol2tp.c @@ -342,10 +342,11 @@ static struct pppol2tp_tunnel *pppol2tp_tunnel_find(u16 tunnel_id) static void pppol2tp_recv_queue_skb(struct pppol2tp_session *session, struct sk_buff *skb) { struct sk_buff *skbp; + struct sk_buff *tmp; u16 ns = PPPOL2TP_SKB_CB(skb)->ns; spin_lock_bh(&session->reorder_q.lock); - skb_queue_walk(&session->reorder_q, skbp) { + skb_queue_walk_safe(&session->reorder_q, skbp, tmp) { if (PPPOL2TP_SKB_CB(skbp)->ns > ns) { __skb_insert(skb, skbp->prev, skbp, &session->reorder_q); PRINTK(session->debug, PPPOL2TP_MSG_SEQ, KERN_DEBUG, @@ -371,10 +372,9 @@ static void pppol2tp_recv_dequeue_skb(struct pppol2tp_session *session, struct s int length = PPPOL2TP_SKB_CB(skb)->length; struct sock *session_sock = NULL; - /* We're about to requeue the skb, so unlink it and return resources + /* We're about to requeue the skb, so return resources * to its current owner (a socket receive buffer). */ - skb_unlink(skb, &session->reorder_q); skb_orphan(skb); tunnel->stats.rx_packets++; @@ -470,6 +470,11 @@ static void pppol2tp_recv_dequeue(struct pppol2tp_session *session) goto out; } } + __skb_unlink(skb, &session->reorder_q); + + /* Process the skb. We release the queue lock while we + * do so to let other contexts process the queue. + */ spin_unlock_bh(&session->reorder_q.lock); pppol2tp_recv_dequeue_skb(session, skb); spin_lock_bh(&session->reorder_q.lock); |