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authorOlof Johansson <olof@lixom.net>2012-03-08 09:27:07 -0800
committerOlof Johansson <olof@lixom.net>2012-03-08 09:27:07 -0800
commita58f67e70a6cad021ceebd1c8919b898dd5d5de3 (patch)
tree78cb630cb31a8cbec17463f9acc0f766707c232f /drivers/net/ppp/ppp_generic.c
parent4c6c826b22da9f6408b6bc6939a92aa0be838488 (diff)
parent46e446db4fb2cdb2f1bc69d3981fa23738a42835 (diff)
Merge branch 'dt' of git://github.com/hzhuang1/linux into next/dt
* 'dt' of git://github.com/hzhuang1/linux: (6 commits) Document: devicetree: add OF documents for arch-mmp ARM: dts: append DTS file of pxa168 ARM: mmp: append OF support on pxa168 ARM: mmp: enable rtc clk in pxa168 i2c: pxa: add OF support serial: pxa: add OF support (plus update to v3.3-rc6)
Diffstat (limited to 'drivers/net/ppp/ppp_generic.c')
-rw-r--r--drivers/net/ppp/ppp_generic.c23
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",