ppp_generic: Use skb_peek() in ppp_receive_mp_frame().
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ppp_generic.c b/drivers/net/ppp_generic.c
index 98e0495..5d4d215 100644
--- a/drivers/net/ppp_generic.c
+++ b/drivers/net/ppp_generic.c
@@ -1833,9 +1833,11 @@
/* If the queue is getting long, don't wait any longer for packets
before the start of the queue. */
- if (skb_queue_len(&ppp->mrq) >= PPP_MP_MAX_QLEN
- && seq_before(ppp->minseq, ppp->mrq.next->sequence))
- ppp->minseq = ppp->mrq.next->sequence;
+ if (skb_queue_len(&ppp->mrq) >= PPP_MP_MAX_QLEN) {
+ struct sk_buff *skb = skb_peek(&ppp->mrq);
+ if (seq_before(ppp->minseq, skb->sequence))
+ ppp->minseq = skb->sequence;
+ }
/* Pull completed packets off the queue and receive them. */
while ((skb = ppp_mp_reconstruct(ppp)))