355  * users are forced to abuse this routine by using it to submit URBs for
396 	if (io->urbs) {  in sg_clean()
398 			usb_free_urb(io->urbs[io->entries]);  in sg_clean()
399 		kfree(io->urbs);  in sg_clean()
400 		io->urbs = NULL;  in sg_clean()
415 	 * device driver code (like this routine) unlink queued urbs first,  in sg_complete()
441 		/* the previous urbs, and this one, completed already.  in sg_complete()
442 		 * unlink pending urbs so they won't rx/tx bad data.  in sg_complete()
447 			if (!io->urbs[i])  in sg_complete()
450 				usb_block_urb(io->urbs[i]);  in sg_complete()
451 				retval = usb_unlink_urb(io->urbs[i]);  in sg_complete()
459 			} else if (urb == io->urbs[i])  in sg_complete()
528 	/* initialize all the urbs we'll use */  in usb_sg_init()
529 	io->urbs = kmalloc_array(io->entries, sizeof(*io->urbs), mem_flags);  in usb_sg_init()
530 	if (!io->urbs)  in usb_sg_init()
546 		io->urbs[i] = urb;  in usb_sg_init()
591 	io->urbs[--i]->transfer_flags &= ~URB_NO_INTERRUPT;  in usb_sg_init()
656 	/* queue the urbs.  */  in usb_sg_wait()
662 		io->urbs[i]->dev = io->dev;  in usb_sg_wait()
665 		retval = usb_submit_urb(io->urbs[i], GFP_NOIO);  in usb_sg_wait()
680 			 * URBs are queued at once; N milliseconds?  in usb_sg_wait()
687 			/* fail any uncompleted urbs */  in usb_sg_wait()
689 			io->urbs[i]->status = retval;  in usb_sg_wait()
737 		usb_block_urb(io->urbs[i]);  in usb_sg_cancel()
739 		retval = usb_unlink_urb(io->urbs[i]);  in usb_sg_cancel()
1191  * to transmit or receive data until the halt status is cleared.  Any URBs
1278  * Disables the endpoint for URB submission and nukes all pending URBs.
1365 		/* First pass: Cancel URBs, leave endpoint pointers intact. */  in usb_disable_device_endpoints()
1389  * pending urbs) and usbcore state for the interfaces, so that usbcore
1438 	dev_dbg(&dev->dev, "%s nuking %s URBs\n", __func__,  in usb_disable_device()
1519  * Also, drivers must not change altsettings while urbs are scheduled for
1520  * endpoints in that interface; all such urbs must first be completed