Index: linux-2.4.35.4/drivers/usb/serial/usbserial.c =================================================================== --- linux-2.4.35.4.orig/drivers/usb/serial/usbserial.c +++ linux-2.4.35.4/drivers/usb/serial/usbserial.c @@ -331,6 +331,7 @@ static void generic_shutdown (struct us #ifdef CONFIG_USB_SERIAL_GENERIC static __u16 vendor = 0x05f9; static __u16 product = 0xffff; +static int maxSize = 0; static struct usb_device_id generic_device_ids[2]; /* Initially all zeroes. */ @@ -1557,7 +1558,11 @@ static void * usb_serial_probe(struct us err("No free urbs available"); goto probe_error; } +#ifdef CONFIG_USB_SERIAL_GENERIC + buffer_size = (endpoint->wMaxPacketSize > maxSize) ? endpoint->wMaxPacketSize : maxSize; +#else buffer_size = endpoint->wMaxPacketSize; +#endif port->bulk_in_endpointAddress = endpoint->bEndpointAddress; port->bulk_in_buffer = kmalloc (buffer_size, GFP_KERNEL); if (!port->bulk_in_buffer) { @@ -1921,4 +1926,7 @@ MODULE_PARM_DESC(vendor, "User specified MODULE_PARM(product, "h"); MODULE_PARM_DESC(product, "User specified USB idProduct"); + +MODULE_PARM(maxSize,"i"); +MODULE_PARM_DESC(maxSize,"User specified USB endpoint size"); #endif