From: Eric Dumazet <edumazet@google.com>
Date: Wed, 20 Sep 2023 17:29:42 +0000 (+0000)
Subject: tcp: constify tcp_rto_min() and tcp_rto_min_us() argument
X-Git-Tag: v6.7-rc1~160^2~276^2~1
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=f68a181fcd3b6a22236794813d5c9e5a62efd2b4;p=thirdparty%2Flinux.git

tcp: constify tcp_rto_min() and tcp_rto_min_us() argument

Make clear these functions do not change any field from TCP socket.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/include/net/tcp.h b/include/net/tcp.h
index 91688d0dadcd6..a8db7d43fb621 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -719,7 +719,7 @@ static inline void tcp_fast_path_check(struct sock *sk)
 }
 
 /* Compute the actual rto_min value */
-static inline u32 tcp_rto_min(struct sock *sk)
+static inline u32 tcp_rto_min(const struct sock *sk)
 {
 	const struct dst_entry *dst = __sk_dst_get(sk);
 	u32 rto_min = inet_csk(sk)->icsk_rto_min;
@@ -729,7 +729,7 @@ static inline u32 tcp_rto_min(struct sock *sk)
 	return rto_min;
 }
 
-static inline u32 tcp_rto_min_us(struct sock *sk)
+static inline u32 tcp_rto_min_us(const struct sock *sk)
 {
 	return jiffies_to_usecs(tcp_rto_min(sk));
 }