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ppp: call skb_checksum_complete_unset in ppp_receive_frame 

Call checksum_complete_unset in PPP receive to discard checksum-complete
value. PPP does not pull checksum for headers and also modifies packet
as in VJ compression.

Signed-off-by: Tom Herbert <tom@herbertland.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Tom Herbert 2015-04-20 14:10:05 -07:00 committed by David S. Miller
parent 4e18b9adf2
commit 3dfb05340e
1 changed files with 1 additions and 0 deletions
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1
drivers/net/ppp/ppp_generic.c
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@ -1716,6 +1716,7 @@ ppp_receive_frame(struct ppp *ppp, struct sk_buff *skb, struct channel *pch)
{
/* note: a 0-length skb is used as an error indication */
if (skb->len > 0) {
skb_checksum_complete_unset(skb);
#ifdef CONFIG_PPP_MULTILINK
/* XXX do channel-level decompression here */
if (PPP_PROTO(skb) == PPP_MP)