4.0-stable review patch. If anyone has any objections, please let me know.
------------------
From: Tom Herbert <t...@herbertland.com>
[ Upstream commit 3dfb05340ec6676e6fc71a9ae87bbbe66d3c2998 ]
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 <t...@herbertland.com>
Signed-off-by: David S. Miller <da...@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
drivers/net/ppp/ppp_generic.c | 1 +
1 file changed, 1 insertion(+)
--- a/drivers/net/ppp/ppp_generic.c
+++ b/drivers/net/ppp/ppp_generic.c
@@ -1716,6 +1716,7 @@ ppp_receive_frame(struct ppp *ppp, struc
{
/* 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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