94 static void destroy_header_iter(struct header_iter *hiter)  in destroy_header_iter()  argument
96 	if (!hiter)  in destroy_header_iter()
98 	pci_dev_put(hiter->dev);  in destroy_header_iter()
99 	kfree(hiter);  in destroy_header_iter()
104 	struct header_iter *hiter;  in mmio_pipe_open()  local
109 	hiter = kzalloc(sizeof(*hiter), GFP_KERNEL);  in mmio_pipe_open()
110 	if (!hiter)  in mmio_pipe_open()
113 	hiter->dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, NULL);  in mmio_pipe_open()
114 	iter->private = hiter;  in mmio_pipe_open()
120 	struct header_iter *hiter = iter->private;  in mmio_close()  local
121 	destroy_header_iter(hiter);  in mmio_close()
140 	struct header_iter *hiter = iter->private;  in mmio_read()  local
154 	if (!hiter)  in mmio_read()
157 	mmio_print_pcidev(s, hiter->dev);  in mmio_read()
158 	hiter->dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, hiter->dev);  in mmio_read()
160 	if (!hiter->dev) {  in mmio_read()
161 		destroy_header_iter(hiter);  in mmio_read()