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Commit 81249bea authored by Tom Herbert's avatar Tom Herbert Committed by David S. Miller
Browse files

gre6: Call skb_checksum_simple_validate 



Use skb_checksum_simple_validate to verify checksum.

Signed-off-by: default avatarTom Herbert <therbert@google.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent b1036c6a

net/ipv6/ip6_gre.c

+1 −11
Original line number Original line Diff line number Diff line
@@ -468,17 +468,7 @@ static int ip6gre_rcv(struct sk_buff *skb) 
			goto drop;

			goto drop;





		if (flags&GRE_CSUM) {

		if (flags&GRE_CSUM) {

			switch (skb->ip_summed) {

			csum = skb_checksum_simple_validate(skb);

			case CHECKSUM_COMPLETE:

				csum = csum_fold(skb->csum);

				if (!csum)

					break;

				/* fall through */

			case CHECKSUM_NONE:

				skb->csum = 0;

				csum = __skb_checksum_complete(skb);

				skb->ip_summed = CHECKSUM_COMPLETE;

			}

			offset += 4;

			offset += 4;

		}

		}

		if (flags&GRE_KEY) {

		if (flags&GRE_KEY) {