104 	struct usb_memory *usbm;  member
173 static void dec_usb_memory_use_count(struct usb_memory *usbm, int *count)  in dec_usb_memory_use_count()  argument
175 	struct usb_dev_state *ps = usbm->ps;  in dec_usb_memory_use_count()
180 	if (usbm->urb_use_count == 0 && usbm->vma_use_count == 0) {  in dec_usb_memory_use_count()
181 		list_del(&usbm->memlist);  in dec_usb_memory_use_count()
184 		usb_free_coherent(ps->dev, usbm->size, usbm->mem,  in dec_usb_memory_use_count()
185 				usbm->dma_handle);  in dec_usb_memory_use_count()
187 			usbm->size + sizeof(struct usb_memory));  in dec_usb_memory_use_count()
188 		kfree(usbm);  in dec_usb_memory_use_count()
196 	struct usb_memory *usbm = vma->vm_private_data;  in usbdev_vm_open()  local
199 	spin_lock_irqsave(&usbm->ps->lock, flags);  in usbdev_vm_open()
200 	++usbm->vma_use_count;  in usbdev_vm_open()
201 	spin_unlock_irqrestore(&usbm->ps->lock, flags);  in usbdev_vm_open()
206 	struct usb_memory *usbm = vma->vm_private_data;  in usbdev_vm_close()  local
208 	dec_usb_memory_use_count(usbm, &usbm->vma_use_count);  in usbdev_vm_close()
218 	struct usb_memory *usbm = NULL;  in usbdev_mmap()  local
230 	usbm = kzalloc(sizeof(struct usb_memory), GFP_KERNEL);  in usbdev_mmap()
231 	if (!usbm) {  in usbdev_mmap()
245 	usbm->mem = mem;  in usbdev_mmap()
246 	usbm->dma_handle = dma_handle;  in usbdev_mmap()
247 	usbm->size = size;  in usbdev_mmap()
248 	usbm->ps = ps;  in usbdev_mmap()
249 	usbm->vm_start = vma->vm_start;  in usbdev_mmap()
250 	usbm->vma_use_count = 1;  in usbdev_mmap()
251 	INIT_LIST_HEAD(&usbm->memlist);  in usbdev_mmap()
254 			virt_to_phys(usbm->mem) >> PAGE_SHIFT,  in usbdev_mmap()
256 		dec_usb_memory_use_count(usbm, &usbm->vma_use_count);  in usbdev_mmap()
263 	vma->vm_private_data = usbm;  in usbdev_mmap()
266 	list_add_tail(&usbm->memlist, &ps->memory_list);  in usbdev_mmap()
272 	kfree(usbm);  in usbdev_mmap()
397 	if (as->usbm == NULL)  in free_async()
400 		dec_usb_memory_use_count(as->usbm, &as->usbm->urb_use_count);  in free_async()
1459 	struct usb_memory *usbm = NULL, *iter;  in find_memory_area()  local
1469 				usbm = ERR_PTR(-EINVAL);  in find_memory_area()
1471 				usbm = iter;  in find_memory_area()
1472 				usbm->urb_use_count++;  in find_memory_area()
1478 	return usbm;  in find_memory_area()
1648 	as->usbm = find_memory_area(ps, uurb);  in proc_do_submiturb()
1649 	if (IS_ERR(as->usbm)) {  in proc_do_submiturb()
1650 		ret = PTR_ERR(as->usbm);  in proc_do_submiturb()
1651 		as->usbm = NULL;  in proc_do_submiturb()
1658 	if (as->usbm)  in proc_do_submiturb()
1662 	     (as->usbm ? 0 : uurb->buffer_length) +  in proc_do_submiturb()
1700 		if (as->usbm) {  in proc_do_submiturb()
1703 			as->urb->transfer_buffer = as->usbm->mem +  in proc_do_submiturb()
1704 					(uurb_start - as->usbm->vm_start);  in proc_do_submiturb()
1785 	if (as->usbm) {  in proc_do_submiturb()
1789 		as->urb->transfer_dma = as->usbm->dma_handle +  in proc_do_submiturb()
1790 				(uurb_start - as->usbm->vm_start);  in proc_do_submiturb()