Add sanity check and extra debug message

diff --git a/src/net/tcp.c b/src/net/tcp.c
index 06c66c9..830e8d5 100644 (file)
--- a/src/net/tcp.c
+++ b/src/net/tcp.c
@@ -277,6 +277,7 @@ static void tcp_close ( struct tcp_connection *tcp, int rc ) {
                stop_timer ( &tcp->timer );
                list_del ( &tcp->list );
                ref_put ( &tcp->refcnt );
+               DBGC ( tcp, "TCP %p connection deleted\n", tcp );
                return;
        }
 
@@ -980,6 +981,10 @@ struct socket_opener tcp_socket_opener __socket_opener = {
 static int tcp_open_uri ( struct xfer_interface *xfer, struct uri *uri ) {
        struct sockaddr_tcpip peer;
 
+       /* Sanity check */
+       if ( ! uri->host )
+               return -EINVAL;
+
        memset ( &peer, 0, sizeof ( peer ) );
        peer.st_port = htons ( uri_port ( uri, 0 ) );
        return xfer_open_named_socket ( xfer, SOCK_STREAM,