[PATCH 3/6] ws2_32: Fix parameters checking in WSADuplicateSocket

[Alexandre Julliard]

Bruno Jesus <00cpxxx at gmail.com> writes:

> +    fd = get_sock_fd( s, FILE_READ_DATA, NULL );
> +    if (fd == -1)
> +    {
> +        SetLastError(WSAENOTSOCK);
> +        return SOCKET_ERROR;
> +    }
> +    release_sock_fd( s, fd );

You should avoid retrieving the fd if you are not using it. The handle
should be checked at the point where you are doing something with it.

-- 
Alexandre Julliard
julliard at winehq.org