inet: constify inet_sk_bound_dev_eq() net parameter

inet_sk_bound_dev_eq() and its callers do not modify the net structure.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20240802134029.3748005-2-edumazet@google.comSigned-off-by: Jakub Kicinski <kuba@kernel.org>

include/net/inet6_hashtables.h

@@ -175,7 +175,7 @@ struct sock *inet6_lookup(struct net *net, struct inet_hashinfo *hashinfo,
 
 int inet6_hash(struct sock *sk);
 
-static inline bool inet6_match(struct net *net, const struct sock *sk,
+static inline bool inet6_match(const struct net *net, const struct sock *sk,
 			       const struct in6_addr *saddr,
 			       const struct in6_addr *daddr,
 			       const __portpair ports,

include/net/inet_hashtables.h

@@ -351,7 +351,7 @@ static inline struct sock *inet_lookup_listener(struct net *net,
 				   ((__force __u64)(__be32)(__saddr)))
 #endif /* __BIG_ENDIAN */
 
-static inline bool inet_match(struct net *net, const struct sock *sk,
+static inline bool inet_match(const struct net *net, const struct sock *sk,
 			      const __addrpair cookie, const __portpair ports,
 			      int dif, int sdif)
 {

include/net/inet_sock.h

@@ -150,7 +150,8 @@ static inline bool inet_bound_dev_eq(bool l3mdev_accept, int bound_dev_if,
 	return bound_dev_if == dif || bound_dev_if == sdif;
 }
 
-static inline bool inet_sk_bound_dev_eq(struct net *net, int bound_dev_if,
+static inline bool inet_sk_bound_dev_eq(const struct net *net,
+					int bound_dev_if,
 					int dif, int sdif)
 {
 #if IS_ENABLED(CONFIG_NET_L3_MASTER_DEV)

net/ipv4/inet_hashtables.c

@@ -310,7 +310,7 @@ inet_lhash2_bucket_sk(struct inet_hashinfo *h, struct sock *sk)
 	return inet_lhash2_bucket(h, hash);
 }
 
-static inline int compute_score(struct sock *sk, struct net *net,
+static inline int compute_score(struct sock *sk, const struct net *net,
 				const unsigned short hnum, const __be32 daddr,
 				const int dif, const int sdif)
 {

net/ipv6/inet6_hashtables.c

@@ -89,7 +89,7 @@ struct sock *__inet6_lookup_established(struct net *net,
 }
 EXPORT_SYMBOL(__inet6_lookup_established);
 
-static inline int compute_score(struct sock *sk, struct net *net,
+static inline int compute_score(struct sock *sk, const struct net *net,
 				const unsigned short hnum,
 				const struct in6_addr *daddr,
 				const int dif, const int sdif)