diff -urN linux-2.6.14-gentoo-r3.orig/drivers/usb/serial/usb-serial.c linux-2.6.14-gentoo-r3/drivers/usb/serial/usb-serial.c
--- linux-2.6.14-gentoo-r3.orig/drivers/usb/serial/usb-serial.c	2005-11-27 04:33:51.000000000 -0600
+++ linux-2.6.14-gentoo-r3/drivers/usb/serial/usb-serial.c	2005-11-27 04:39:13.000000000 -0600
@@ -361,6 +361,7 @@
    drivers depend on it.
 */
 
+static ushort maxSize = 0;
 static int debug;
 static struct usb_serial *serial_table[SERIAL_TTY_MINORS];	/* initially all NULL */
 static LIST_HEAD(usb_serial_driver_list);
@@ -1061,7 +1062,7 @@
 			dev_err(&interface->dev, "No free urbs available\n");
 			goto probe_error;
 		}
-		buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
+		buffer_size = (endpoint->wMaxPacketSize > maxSize)?endpoint->wMaxPacketSize:maxSize;
 		port->bulk_in_size = buffer_size;
 		port->bulk_in_endpointAddress = endpoint->bEndpointAddress;
 		port->bulk_in_buffer = kmalloc (buffer_size, GFP_KERNEL);
@@ -1434,3 +1435,5 @@
 
 module_param(debug, bool, S_IRUGO | S_IWUSR);
 MODULE_PARM_DESC(debug, "Debug enabled or not");
+module_param(maxSize, ushort,0);
+MODULE_PARM_DESC(maxSize,"User specified USB endpoint size");