[PATCH net] ipv6: fix checksum annotation in udp6_csum_init

[Hannes Frederic Sowa]

Cc: Tom Herbert <t...@herbertland.com>
Fixes: 4068579e1e098fa ("net: Implmement RFC 6936 (zero RX csums for UDP/IPv6")
Signed-off-by: Hannes Frederic Sowa <han...@stressinduktion.org>
---
 include/net/ip6_checksum.h | 2 +-
 net/ipv6/ip6_checksum.c    | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/net/ip6_checksum.h b/include/net/ip6_checksum.h
index cca840584c8885..8ee93d1fc56a5b 100644
--- a/include/net/ip6_checksum.h
+++ b/include/net/ip6_checksum.h
@@ -101,5 +101,5 @@ void udp6_set_csum(bool nocheck, struct sk_buff *skb,
                   const struct in6_addr *saddr,
                   const struct in6_addr *daddr, int len);
 
-int udp6_csum_init(struct sk_buff *skb, struct udphdr *uh, int proto);
+__sum16 udp6_csum_init(struct sk_buff *skb, struct udphdr *uh, int proto);
 #endif
diff --git a/net/ipv6/ip6_checksum.c b/net/ipv6/ip6_checksum.c
index b2025bf3da4af2..9282326e4a0a56 100644
--- a/net/ipv6/ip6_checksum.c
+++ b/net/ipv6/ip6_checksum.c
@@ -61,7 +61,7 @@ __sum16 csum_ipv6_magic(const struct in6_addr *saddr,
 EXPORT_SYMBOL(csum_ipv6_magic);
 #endif
 
-int udp6_csum_init(struct sk_buff *skb, struct udphdr *uh, int proto)
+__sum16 udp6_csum_init(struct sk_buff *skb, struct udphdr *uh, int proto)
 {
        int err;
 
-- 
2.5.5