diff --git a/include/net/inet_sock.h b/include/net/inet_sock.h
index ff37a835a8538b7a73f4c4ceb8e3295ddad06c3f..7fc0df2b904d4b02e5722a05fc860d76940c6328 100644
--- a/include/net/inet_sock.h
+++ b/include/net/inet_sock.h
@@ -112,7 +112,8 @@ static inline struct inet_request_sock *inet_rsk(const struct request_sock *sk)
 
 static inline u32 inet_request_mark(const struct sock *sk, struct sk_buff *skb)
 {
-	if (!sk->sk_mark && sock_net(sk)->ipv4.sysctl_tcp_fwmark_accept)
+	if (!sk->sk_mark &&
+	    READ_ONCE(sock_net(sk)->ipv4.sysctl_tcp_fwmark_accept))
 		return skb->mark;
 
 	return sk->sk_mark;