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

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

[Beniamino Galvani]

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>
---
 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

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

[Guillaume Nault]

On Sun, Sep 24, 2023 at 05:30:14PM +0200, Beniamino Galvani wrote:
> The function doesn't modify the addresses passed as input, mark them
> as 'const' to make that clear.

Reviewed-by: Guillaume Nault <gnault@redhat.com>

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

[patchwork-bot+netdevbpf]

Hello:

This patch was applied to netdev/net-next.git (main)
by Paolo Abeni <pabeni@redhat.com>:

On Sun, 24 Sep 2023 17:30:14 +0200 you wrote:
> 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>
> ---
>  include/net/udp_tunnel.h  | 5 +++--
>  net/ipv6/ip6_udp_tunnel.c | 5 +++--
>  2 files changed, 6 insertions(+), 4 deletions(-)

Here is the summary with links:
  - [net-next] ipv6: mark address parameters of udp_tunnel6_xmit_skb() as const
    https://git.kernel.org/netdev/net-next/c/f25e621f5d4c

You are awesome, thank you!
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