diff options
| author | Hannes Frederic Sowa <hannes@stressinduktion.org> | 2016-06-11 21:15:37 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-05-10 10:26:16 +0200 |
| commit | ec2bb1ea9ee44bcd7179c2ef342ab28cd49e8efd (patch) | |
| tree | bdf29dab75fdd86cc1dcce3eece407738218a5c6 | |
| parent | c3fff52f7aaf1238e51c43d97b440fb7ca57d301 (diff) | |
ipv6: fix checksum annotation in udp6_csum_init
commit c148d16369ff0095eca950d17968ba1d56a47b53 upstream.
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -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 391a8fedb27e..1132624edee9 100644 --- a/net/ipv6/ip6_checksum.c +++ b/net/ipv6/ip6_checksum.c @@ -84,9 +84,12 @@ 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); |