94 	struct usb_memory *usbm;  member
163 static void dec_usb_memory_use_count(struct usb_memory *usbm, int *count)  in dec_usb_memory_use_count()  argument
165 	struct usb_dev_state *ps = usbm->ps;  in dec_usb_memory_use_count()
170 	if (usbm->urb_use_count == 0 && usbm->vma_use_count == 0) {  in dec_usb_memory_use_count()
171 		list_del(&usbm->memlist);  in dec_usb_memory_use_count()
174 		usb_free_coherent(ps->dev, usbm->size, usbm->mem,  in dec_usb_memory_use_count()
175 				usbm->dma_handle);  in dec_usb_memory_use_count()
177 			usbm->size + sizeof(struct usb_memory));  in dec_usb_memory_use_count()
178 		kfree(usbm);  in dec_usb_memory_use_count()
186 	struct usb_memory *usbm = vma->vm_private_data;  in usbdev_vm_open()  local
189 	spin_lock_irqsave(&usbm->ps->lock, flags);  in usbdev_vm_open()
190 	++usbm->vma_use_count;  in usbdev_vm_open()
191 	spin_unlock_irqrestore(&usbm->ps->lock, flags);  in usbdev_vm_open()
196 	struct usb_memory *usbm = vma->vm_private_data;  in usbdev_vm_close()  local
198 	dec_usb_memory_use_count(usbm, &usbm->vma_use_count);  in usbdev_vm_close()
208 	struct usb_memory *usbm = NULL;  in usbdev_mmap()  local
220 	usbm = kzalloc(sizeof(struct usb_memory), GFP_KERNEL);  in usbdev_mmap()
221 	if (!usbm) {  in usbdev_mmap()
235 	usbm->mem = mem;  in usbdev_mmap()
236 	usbm->dma_handle = dma_handle;  in usbdev_mmap()
237 	usbm->size = size;  in usbdev_mmap()
238 	usbm->ps = ps;  in usbdev_mmap()
239 	usbm->vm_start = vma->vm_start;  in usbdev_mmap()
240 	usbm->vma_use_count = 1;  in usbdev_mmap()
241 	INIT_LIST_HEAD(&usbm->memlist);  in usbdev_mmap()
244 			virt_to_phys(usbm->mem) >> PAGE_SHIFT,  in usbdev_mmap()
246 		dec_usb_memory_use_count(usbm, &usbm->vma_use_count);  in usbdev_mmap()
253 	vma->vm_private_data = usbm;  in usbdev_mmap()
256 	list_add_tail(&usbm->memlist, &ps->memory_list);  in usbdev_mmap()
262 	kfree(usbm);  in usbdev_mmap()
387 	if (as->usbm == NULL)  in free_async()
390 		dec_usb_memory_use_count(as->usbm, &as->usbm->urb_use_count);  in free_async()
1406 	struct usb_memory *usbm = NULL, *iter;  in find_memory_area()  local
1416 				usbm = ERR_PTR(-EINVAL);  in find_memory_area()
1418 				usbm = iter;  in find_memory_area()
1419 				usbm->urb_use_count++;  in find_memory_area()
1425 	return usbm;  in find_memory_area()
1598 	as->usbm = find_memory_area(ps, uurb);  in proc_do_submiturb()
1599 	if (IS_ERR(as->usbm)) {  in proc_do_submiturb()
1600 		ret = PTR_ERR(as->usbm);  in proc_do_submiturb()
1601 		as->usbm = NULL;  in proc_do_submiturb()
1608 	if (as->usbm)  in proc_do_submiturb()
1649 		if (as->usbm) {  in proc_do_submiturb()
1652 			as->urb->transfer_buffer = as->usbm->mem +  in proc_do_submiturb()
1653 					(uurb_start - as->usbm->vm_start);  in proc_do_submiturb()
1733 	if (as->usbm) {  in proc_do_submiturb()
1737 		as->urb->transfer_dma = as->usbm->dma_handle +  in proc_do_submiturb()
1738 				(uurb_start - as->usbm->vm_start);  in proc_do_submiturb()
1795 	if (as && as->usbm)  in proc_do_submiturb()
1796 		dec_usb_memory_use_count(as->usbm, &as->usbm->urb_use_count);  in proc_do_submiturb()