#endif
 }
 
-static int do_send_fragment(struct ipw_hardware *hw, unsigned char *data,
+static void do_send_fragment(struct ipw_hardware *hw, unsigned char *data,
                            unsigned length)
 {
        unsigned i;
        unsigned long flags;
 
        start_timing();
-
-       if (length == 0)
-               return 0;
-
-       if (length > hw->ll_mtu)
-               return -1;
+       BUG_ON(length > hw->ll_mtu);
 
        if (ipwireless_debug)
                dump_data_bytes("send", data, length);
        spin_unlock_irqrestore(&hw->lock, flags);
 
        end_write_timing(length);
-
-       return 0;
 }
 
-static int do_send_packet(struct ipw_hardware *hw, struct ipw_tx_packet *packet)
+static void do_send_packet(struct ipw_hardware *hw, struct ipw_tx_packet *packet)
 {
        unsigned short fragment_data_len;
        unsigned short data_left = packet->length - packet->offset;
                                        packet->length);
                kfree(packet);
        }
-
-       return 0;
 }
 
 static void ipw_setup_hardware(struct ipw_hardware *hw)