diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 5bdb3cd20d61..c9fe2c0b8cae 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -4564,7 +4564,7 @@ static bool skb_may_tx_timestamp(struct sock *sk, bool tsonly)
 {
 	bool ret;
 
-	if (likely(sysctl_tstamp_allow_data || tsonly))
+	if (likely(READ_ONCE(sysctl_tstamp_allow_data) || tsonly))
 		return true;
 
 	read_lock_bh(&sk->sk_callback_lock);