blob: 2e436f0fa5719fbd5e38fab5d97926032f4f4ec6 (
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--- a/drivers/usb/serial/usbserial.c
+++ b/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
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