Clean Debug messages

net/tftp.c

@@ -70,7 +70,7 @@ tftp_open (struct grub_net_network_layer_interface *inf __attribute((unused)),
   grub_netbuff_push (nb,sizeof (*tftph));
 
   udp_interf = (struct udp_interf *) app_interface->data;
-  udp_interf->src = TFTP_CLIENT_PORT + rrq_count++; 
+  udp_interf->src = TFTP_CLIENT_PORT;// + rrq_count++; 
   udp_interf->dst = TFTP_SERVER_PORT; 
   tftph = (struct tftphdr *) nb->data; 
   
@@ -112,6 +112,8 @@ tftp_open (struct grub_net_network_layer_interface *inf __attribute((unused)),
 
   app_interface->trans_prot->send (inf,protstack->interface,nb);
   /*Receive OACK*/
+  grub_netbuff_clear (nb); 
+  grub_netbuff_reserve (nb,80*1024);
   return app_interface->app_prot->recv(inf,protstack,nb);
 }
 
@@ -211,6 +213,8 @@ static int tftp_file_size (struct grub_net_network_layer_interface* inf ,
 {
 
   tftp_open (inf, protocol_stack,nb, filename);
+  grub_netbuff_clear (nb); 
+  grub_netbuff_reserve (nb,80*1024);
   tftp_send_err (inf, protocol_stack,nb,"Abort transference.",0);
 
   return tftp_file.size;