[PATCH net-next] ipv6: mark address parameters of udp_tunnel6_xmit_skb() as const

From: Beniamino Galvani
Date: Sun Sep 24 2023 - 11:33:08 EST


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@xxxxxxxxx>
---
include/net/udp_tunnel.h | 5 +++--
net/ipv6/ip6_udp_tunnel.c | 5 +++--
2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/include/net/udp_tunnel.h b/include/net/udp_tunnel.h
index 29251c3519cf..21ba0a25f936 100644
--- 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 cdc4d4ee2420..70d38705c92f 100644
--- 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)
{
--
2.40.1