tcp: add const to tcp_try_rmem_schedule() and sk_rmem_schedule() skb

These functions to not modify the skb, add a const qualifier.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com>
Link: https://patch.msgid.link/20250711114006.480026-7-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/include/net/sock.h b/include/net/sock.h
index 0f2443d4ec581639eb3bdc46cb9b2932123e9246..c8a4b283df6fc4b931270502ddbb5df7ae1e4aa2 100644 (file)
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -1553,7 +1553,7 @@ __sk_rmem_schedule(struct sock *sk, int size, bool pfmemalloc)
 }
 
 static inline bool
-sk_rmem_schedule(struct sock *sk, struct sk_buff *skb, int size)
+sk_rmem_schedule(struct sock *sk, const struct sk_buff *skb, int size)
 {
        return __sk_rmem_schedule(sk, size, skb_pfmemalloc(skb));
 }

diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 78da05933078b5b665113b57a0edc03b29820496..39de55ff898e6ec9c6e5bc9dc7b80ec9d235ca44 100644 (file)
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -4888,7 +4888,7 @@ static void tcp_ofo_queue(struct sock *sk)
 static bool tcp_prune_ofo_queue(struct sock *sk, const struct sk_buff *in_skb);
 static int tcp_prune_queue(struct sock *sk, const struct sk_buff *in_skb);
 
-static int tcp_try_rmem_schedule(struct sock *sk, struct sk_buff *skb,
+static int tcp_try_rmem_schedule(struct sock *sk, const struct sk_buff *skb,
                                 unsigned int size)
 {
        if (atomic_read(&sk->sk_rmem_alloc) > sk->sk_rcvbuf ||