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ipv6: fix checksum annotation in udp6_csum_init

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Cc: Tom Herbert <tom@herbertland.com>
Fixes: 4068579e1e ("net: Implmement RFC 6936 (zero RX csums for UDP/IPv6")
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Hannes Frederic Sowa 2016-06-11 21:15:37 +02:00 committed by David S. Miller
parent 5119bd1681
commit c148d16369
1 changed files with 5 additions and 2 deletions
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7
net/ipv6/ip6_checksum.c
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@ -78,9 +78,12 @@ int udp6_csum_init(struct sk_buff *skb, struct udphdr *uh, int proto)
* we accept a checksum of zero here. When we find the socket
* for the UDP packet we'll check if that socket allows zero checksum
* for IPv6 (set by socket option).
*
* Note, we are only interested in != 0 or == 0, thus the
* force to int.
*/
return skb_checksum_init_zero_check(skb, proto, uh->check,
ip6_compute_pseudo);
return (__force int)skb_checksum_init_zero_check(skb, proto, uh->check,
ip6_compute_pseudo);
}
EXPORT_SYMBOL(udp6_csum_init);