1 files changed, 23 insertions, 0 deletions

diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c
index 93a86397af36..6d4d2ebb0a8a 100644
--- a/drivers/net/ppp/ppp_generic.c
+++ b/drivers/net/ppp/ppp_generic.c
@@ -2024,14 +2024,22 @@ ppp_mp_reconstruct(struct ppp *ppp)
                         continue;
                 }
                 if (PPP_MP_CB(p)->sequence != seq) {
+                        u32 oldseq;
                         /* Fragment `seq' is missing.  If it is after
                            minseq, it might arrive later, so stop here. */
                         if (seq_after(seq, minseq))
                                 break;
                         /* Fragment `seq' is lost, keep going. */
                         lost = 1;
+                        oldseq = seq;
                         seq = seq_before(minseq, PPP_MP_CB(p)->sequence)?
                                 minseq + 1: PPP_MP_CB(p)->sequence;
+
+                        if (ppp->debug & 1)
+                                netdev_printk(KERN_DEBUG, ppp->dev,
+                                              "lost frag %u..%u\n",
+                                              oldseq, seq-1);
+
                         goto again;
                 }
 
@@ -2076,6 +2084,10 @@ ppp_mp_reconstruct(struct ppp *ppp)
                         struct sk_buff *tmp2;
 
                         skb_queue_reverse_walk_from_safe(list, p, tmp2) {
+                                if (ppp->debug & 1)
+                                        netdev_printk(KERN_DEBUG, ppp->dev,
+                                                      "discarding frag %u\n",
+                                                      PPP_MP_CB(p)->sequence);
                                 __skb_unlink(p, list);
                                 kfree_skb(p);
                         }
@@ -2091,6 +2103,17 @@ ppp_mp_reconstruct(struct ppp *ppp)
                 /* If we have discarded any fragments,
                    signal a receive error. */
                 if (PPP_MP_CB(head)->sequence != ppp->nextseq) {
+                        skb_queue_walk_safe(list, p, tmp) {
+                                if (p == head)
+                                        break;
+                                if (ppp->debug & 1)
+                                        netdev_printk(KERN_DEBUG, ppp->dev,
+                                                      "discarding frag %u\n",
+                                                      PPP_MP_CB(p)->sequence);
+                                __skb_unlink(p, list);
+                                kfree_skb(p);
+                        }
+
                         if (ppp->debug & 1)
                                 netdev_printk(KERN_DEBUG, ppp->dev,
                                               "  missed pkts %u..%u\n",