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| author | Hannes Frederic Sowa <hannes@stressinduktion.org> | 2016-06-11 22:15:37 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-06-14 22:26:42 +0300 |
| commit | c148d16369ff0095eca950d17968ba1d56a47b53 (patch) | |
| tree | 637615cf5dc1243db33ae4c8b6ea96daf68b2857 | |
| parent | 5119bd16815d3f0364390a1369392dcc036790e7 (diff) | |
| download | linux-c148d16369ff0095eca950d17968ba1d56a47b53.tar.xz | |
ipv6: fix checksum annotation in udp6_csum_init
Cc: Tom Herbert <tom@herbertland.com>
Fixes: 4068579e1e098fa ("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>
| -rw-r--r-- | net/ipv6/ip6_checksum.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/net/ipv6/ip6_checksum.c b/net/ipv6/ip6_checksum.c index b2025bf3da4a..c0cbcb259f5a 100644 --- a/net/ipv6/ip6_checksum.c +++ b/net/ipv6/ip6_checksum.c @@ -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); |