| From | Luis Henriques <> | Subject | [PATCH 3.16.y-ckt 036/180] ppp: call skb_checksum_complete_unset in ppp_receive_frame | Date | Thu, 7 May 2015 10:44:05 +0100 |
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3.16.7-ckt11 -stable review patch. If anyone has any objections, please let me know.
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From: Tom Herbert <tom@herbertland.com>
commit 3dfb05340ec6676e6fc71a9ae87bbbe66d3c2998 upstream.
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> Signed-off-by: Luis Henriques <luis.henriques@canonical.com> --- drivers/net/ppp/ppp_generic.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c index a75a411b1c27..dbf56debb7e3 100644 --- a/drivers/net/ppp/ppp_generic.c +++ b/drivers/net/ppp/ppp_generic.c @@ -1710,6 +1710,7 @@ 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)
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