usb/misc/usbtest.c

90  * urbs and buffers are allocated dynamically,
115 /* set up all urbs so they can be used with either bulk or interrupt */
247  * These just package urbs as requests that can be easily canceled.
1220 	/* allocate and init the urbs we'll queue.
1385 	/* queue the urbs */
1479 				/* we can't unlink urbs while they're completing
1531 	struct urb		**urbs;
1541 	if (urb == ctx->urbs[ctx->num - 4] || urb == ctx->urbs[ctx->num - 2]) {
1574 	/* Allocate and init the urbs we'll queue */
1575 	ctx.urbs = kcalloc(num, sizeof(struct urb *), GFP_KERNEL);
1576 	if (!ctx.urbs)
1579 		ctx.urbs[i] = usb_alloc_urb(0, GFP_KERNEL);
1580 		if (!ctx.urbs[i])
1582 		usb_fill_bulk_urb(ctx.urbs[i], udev, pipe, buf, size,
1584 		ctx.urbs[i]->transfer_dma = buf_dma;
1585 		ctx.urbs[i]->transfer_flags = URB_NO_TRANSFER_DMA_MAP;
1587 		if (usb_pipeout(ctx.urbs[i]->pipe)) {
1588 			simple_fill_buf(ctx.urbs[i]);
1589 			ctx.urbs[i]->transfer_flags |= URB_ZERO_PACKET;
1596 		retval = usb_submit_urb(ctx.urbs[i], GFP_KERNEL);
1598 			dev_err(&dev->intf->dev, "submit urbs[%d] fail %d\n",
1606 		usb_unlink_urb(ctx.urbs[num - 4]);
1607 		usb_unlink_urb(ctx.urbs[num - 2]);
1610 			usb_unlink_urb(ctx.urbs[i]);
1620 		usb_free_urb(ctx.urbs[i]);
1621 	kfree(ctx.urbs);
2047 	struct urb		**urbs;
2055 	urbs = kcalloc(param->sglen, sizeof(*urbs), GFP_KERNEL);
2056 	if (!urbs)
2070 			urbs[i] = iso_alloc_urb(udev, pipe, desc,
2073 			urbs[i] = complicated_alloc_urb(udev, pipe,
2076 		if (!urbs[i]) {
2080 		packets += urbs[i]->number_of_packets;
2081 		urbs[i]->context = &context;
2110 		status = usb_submit_urb(urbs[i], GFP_ATOMIC);
2118 			simple_free_urb(urbs[i]);
2119 			urbs[i] = NULL;
2130 		if (urbs[i])
2131 			simple_free_urb(urbs[i]);
2146 	kfree(urbs);
2151 		if (urbs[i])
2152 			simple_free_urb(urbs[i]);
2155 	kfree(urbs);
2654  * urbs and then call usbtest_disconnect().  To abort a test, you're best