net/ulp: remove SOCK_SUPPORT_ZC from tls sockets

Remove SOCK_SUPPORT_ZC when we're setting ulp as it might not support msghdr::ubuf_info, e.g. like TLS replacing ->sk_prot with a new set of handlers. Cc: <[email protected]> # 6.0 Reported-by: Jakub Kicinski <[email protected]> Fixes: e993ffe ("net: flag sockets supporting msghdr originated zerocopy") Signed-off-by: Pavel Begunkov <[email protected]> Signed-off-by: Jakub Kicinski <[email protected]>
niw · Oct 29, 2022 · e276d62 · e276d62
1 parent fee9ac0
commit e276d62
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/net/ipv4/tcp_ulp.c b/net/ipv4/tcp_ulp.c
@@ -136,6 +136,9 @@ static int __tcp_set_ulp(struct sock *sk, const struct tcp_ulp_ops *ulp_ops)
 	if (icsk->icsk_ulp_ops)
 		goto out_err;
 
+	if (sk->sk_socket)
+		clear_bit(SOCK_SUPPORT_ZC, &sk->sk_socket->flags);
+
 	err = ulp_ops->init(sk);
 	if (err)
 		goto out_err;