1 files changed, 4 insertions, 1 deletions

diff --git a/net/ipv4/tcp_metrics.c b/net/ipv4/tcp_metrics.c
index 2ab09cbae74d..d3ee2e0c28b6 100644
--- a/net/ipv4/tcp_metrics.c
+++ b/net/ipv4/tcp_metrics.c
@@ -663,10 +663,13 @@ void tcp_fastopen_cache_get(struct sock *sk, u16 *mss,
 void tcp_fastopen_cache_set(struct sock *sk, u16 mss,
                             struct tcp_fastopen_cookie *cookie, bool syn_lost)
 {
+        struct dst_entry *dst = __sk_dst_get(sk);
         struct tcp_metrics_block *tm;
 
+        if (!dst)
+                return;
         rcu_read_lock();
-        tm = tcp_get_metrics(sk, __sk_dst_get(sk), true);
+        tm = tcp_get_metrics(sk, dst, true);
         if (tm) {
                 struct tcp_fastopen_metrics *tfom = &tm->tcpm_fastopen;