From: Cong Wang <redacted>

Now UDP supports sockmap and redirection, we can safely update
the sock type checks for it accordingly.

Cc: John Fastabend <john.fastabend@gmail.com>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Jakub Sitnicki <jakub@cloudflare.com>
Cc: Lorenz Bauer <redacted>
Signed-off-by: Cong Wang <redacted>
---
 net/core/sock_map.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/net/core/sock_map.c b/net/core/sock_map.c
index d04b98fc8104..9ed040c7d9e7 100644
--- a/net/core/sock_map.c
+++ b/net/core/sock_map.c

@@ -549,7 +549,10 @@ static bool sk_is_udp(const struct sock *sk)
 
 static bool sock_map_redirect_allowed(const struct sock *sk)
 {
-	return sk_is_tcp(sk) && sk->sk_state != TCP_LISTEN;
+	if (sk_is_tcp(sk))
+		return sk->sk_state != TCP_LISTEN;
+	else
+		return sk->sk_state == TCP_ESTABLISHED;
 }
 
 static bool sock_map_sk_is_suitable(const struct sock *sk)

-- 
2.25.1