struct mptcp_sock *msk = mptcp_sk(sk);
WARN_ON_ONCE(msk->wmem_reserved);
+ if (WARN_ON_ONCE(amount < 0))
+ amount = 0;
+
if (amount <= sk->sk_forward_alloc)
goto reserve;
if (msg->msg_flags & ~(MSG_MORE | MSG_DONTWAIT | MSG_NOSIGNAL))
return -EOPNOTSUPP;
- mptcp_lock_sock(sk, __mptcp_wmem_reserve(sk, len));
+ mptcp_lock_sock(sk, __mptcp_wmem_reserve(sk, min_t(size_t, 1 << 20, len)));
timeo = sock_sndtimeo(sk, msg->msg_flags & MSG_DONTWAIT);