The element of urbs array will be initialized at below code
at once.
	for (i = 0; i < param->sglen; i++) {
		urbs[i] = iso_alloc_urb(udev, pipe, desc,
					param->length, offset);
Acked-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
        init_completion(&context.done);
        spin_lock_init(&context.lock);
 
-       memset(urbs, 0, sizeof(urbs));
        udev = testdev_to_usbdev(dev);
        dev_info(&dev->intf->dev,
                "iso period %d %sframes, wMaxPacket %d, transactions: %d\n",