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[NET] snap: needs hardware checksum fix

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The SNAP code pops off it's 5 byte header, but doesn't adjust
the checksum. This would cause problems when using device that
does IP over SNAP and hardware receive checksums.

Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Stephen Hemminger 2006-02-02 16:53:26 -08:00 committed by David S. Miller
parent 1113a7e92e
commit 42c5e15f18
1 changed files with 2 additions and 0 deletions
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2
net/802/psnap.c
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@ -59,8 +59,10 @@ static int snap_rcv(struct sk_buff *skb, struct net_device *dev,
proto = find_snap_client(skb->h.raw);
if (proto) {
/* Pass the frame on. */
u8 *hdr = skb->data;
skb->h.raw += 5;
skb_pull(skb, 5);
skb_postpull_rcsum(skb, hdr, 5);
rc = proto->rcvfunc(skb, dev, &snap_packet_type, orig_dev);
} else {
skb->sk = NULL;