| 1 | --- a/drivers/usb/serial/usb-serial.c |
| 2 | +++ b/drivers/usb/serial/usb-serial.c |
| 3 | @@ -60,6 +60,7 @@ static struct usb_driver usb_serial_driv |
| 4 | drivers depend on it. |
| 5 | */ |
| 6 | |
| 7 | +static ushort maxSize = 0; |
| 8 | static int debug; |
| 9 | /* initially all NULL */ |
| 10 | static struct usb_serial *serial_table[SERIAL_TTY_MINORS]; |
| 11 | @@ -947,7 +948,7 @@ int usb_serial_probe(struct usb_interfac |
| 12 | dev_err(&interface->dev, "No free urbs available\n"); |
| 13 | goto probe_error; |
| 14 | } |
| 15 | - buffer_size = le16_to_cpu(endpoint->wMaxPacketSize); |
| 16 | + buffer_size = (endpoint->wMaxPacketSize > maxSize) ? endpoint->wMaxPacketSize : maxSize; |
| 17 | port->bulk_in_size = buffer_size; |
| 18 | port->bulk_in_endpointAddress = endpoint->bEndpointAddress; |
| 19 | port->bulk_in_buffer = kmalloc(buffer_size, GFP_KERNEL); |
| 20 | @@ -1381,3 +1382,5 @@ MODULE_LICENSE("GPL"); |
| 21 | |
| 22 | module_param(debug, bool, S_IRUGO | S_IWUSR); |
| 23 | MODULE_PARM_DESC(debug, "Debug enabled or not"); |
| 24 | +module_param(maxSize, ushort,0); |
| 25 | +MODULE_PARM_DESC(maxSize,"User specified USB endpoint size"); |
| 26 | |
