diff options
| author | Arnd Bergmann <arnd@arndb.de> | 2012-03-06 16:12:13 +0000 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2012-03-06 16:12:26 +0000 |
| commit | 6b60805502fecc5ce05dad68fd242c4f3a1d1f1b (patch) | |
| tree | a53537e00ede0a31b8f9f91c1d79d1e1a6670797 /drivers/net/ppp/ppp_generic.c | |
| parent | 4c75aab698d4b7cc08f3a5dd329fc7e9af3d0e3c (diff) | |
| parent | af829310e8a914ad17ed61a7b18b14b4f457bca1 (diff) | |
Merge branch 'fixes' of git://github.com/hzhuang1/linux into fixes
* 'fixes' of git://github.com/hzhuang1/linux: (3 commits)
ARM: pxa: fix invalid mfp pin issue
ARM: pxa: remove duplicated registeration on pxa-gpio
ARM: pxa: add dummy clock for pxa25x and pxa27x
Includes an update to v3.3-rc6
Diffstat (limited to 'drivers/net/ppp/ppp_generic.c')
| -rw-r--r-- | drivers/net/ppp/ppp_generic.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c index edfa15d2e79..486b4048850 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", |