ipv6: mark address parameters of udp_tunnel6_xmit_skb() as const

The function doesn't modify the addresses passed as input, mark them
as 'const' to make that clear.

Signed-off-by: Beniamino Galvani <b.galvani@gmail.com>
Reviewed-by: Guillaume Nault <gnault@redhat.com>
Link: https://lore.kernel.org/r/20230924153014.786962-1-b.galvani@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>

diff --git a/include/net/udp_tunnel.h b/include/net/udp_tunnel.h
index 29251c3..21ba0a2 100644 (file)
--- a/include/net/udp_tunnel.h
+++ b/include/net/udp_tunnel.h
@@ -154,8 +154,9 @@ void udp_tunnel_xmit_skb(struct rtable *rt, struct sock *sk, struct sk_buff *skb
 
 int udp_tunnel6_xmit_skb(struct dst_entry *dst, struct sock *sk,
                         struct sk_buff *skb,
-                        struct net_device *dev, struct in6_addr *saddr,
-                        struct in6_addr *daddr,
+                        struct net_device *dev,
+                        const struct in6_addr *saddr,
+                        const struct in6_addr *daddr,
                         __u8 prio, __u8 ttl, __be32 label,
                         __be16 src_port, __be16 dst_port, bool nocheck);
 

diff --git a/net/ipv6/ip6_udp_tunnel.c b/net/ipv6/ip6_udp_tunnel.c
index cdc4d4e..70d3870 100644 (file)
--- a/net/ipv6/ip6_udp_tunnel.c
+++ b/net/ipv6/ip6_udp_tunnel.c
@@ -75,8 +75,9 @@ EXPORT_SYMBOL_GPL(udp_sock_create6);
 
 int udp_tunnel6_xmit_skb(struct dst_entry *dst, struct sock *sk,
                         struct sk_buff *skb,
-                        struct net_device *dev, struct in6_addr *saddr,
-                        struct in6_addr *daddr,
+                        struct net_device *dev,
+                        const struct in6_addr *saddr,
+                        const struct in6_addr *daddr,
                         __u8 prio, __u8 ttl, __be32 label,
                         __be16 src_port, __be16 dst_port, bool nocheck)
 {