ipv4: fix checksum annotation in udp4_csum_init

Reported-by: Cong Wang <xiyou.wangcong@gmail.com>
Cc: Cong Wang <xiyou.wangcong@gmail.com>
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 2016-06-12 12:02:46 +02:00 committed by David S. Miller
parent c148d16369
commit b46d9f625b

View file

@ -1755,8 +1755,11 @@ static inline int udp4_csum_init(struct sk_buff *skb, struct udphdr *uh,
return err;
}
return skb_checksum_init_zero_check(skb, proto, uh->check,
inet_compute_pseudo);
/* Note, we are only interested in != 0 or == 0, thus the
* force to int.
*/
return (__force int)skb_checksum_init_zero_check(skb, proto, uh->check,
inet_compute_pseudo);
}
/*