target/linux/linux-2.4/patches/generic/219-usbserial_buffer.patch

   1 --- linux.old/drivers/usb/serial/usbserial.c    2006-08-19 18:48:07.000000000 +0200
   2 +++ linux.dev/drivers/usb/serial/usbserial.c    2006-08-19 18:46:02.000000000 +0200
   3 @@ -1359,7 +1359,7 @@
   4         wake_up_interruptible(&tty->write_wait);
   5  }
   6
   7 -
   8 +#define MIN(a, b) (((a) < (b)) ? (a) : (b))
   9  static void * usb_serial_probe(struct usb_device *dev, unsigned int ifnum,
  10                                const struct usb_device_id *id)
  11  {
  12 @@ -1512,7 +1512,8 @@
  13                         err("No free urbs available");
  14                         goto probe_error;
  15                 }
  16 -               buffer_size = endpoint->wMaxPacketSize;
  17 +               /* Minimum buffer size for EVDO and HSDPA cards */
  18 +               buffer_size = MIN(2048,endpoint->wMaxPacketSize);
  19                 port->bulk_in_endpointAddress = endpoint->bEndpointAddress;
  20                 port->bulk_in_buffer = kmalloc (buffer_size, GFP_KERNEL);
  21                 if (!port->bulk_in_buffer) {