89 static void destroy_header_iter(struct header_iter *hiter)  in destroy_header_iter()  argument
91 	if (!hiter)  in destroy_header_iter()
93 	pci_dev_put(hiter->dev);  in destroy_header_iter()
94 	kfree(hiter);  in destroy_header_iter()
99 	struct header_iter *hiter;  in mmio_pipe_open()  local
104 	hiter = kzalloc(sizeof(*hiter), GFP_KERNEL);  in mmio_pipe_open()
105 	if (!hiter)  in mmio_pipe_open()
108 	hiter->dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, NULL);  in mmio_pipe_open()
109 	iter->private = hiter;  in mmio_pipe_open()
115 	struct header_iter *hiter = iter->private;  in mmio_close()  local
116 	destroy_header_iter(hiter);  in mmio_close()
135 	struct header_iter *hiter = iter->private;  in mmio_read()  local
149 	if (!hiter)  in mmio_read()
152 	mmio_print_pcidev(s, hiter->dev);  in mmio_read()
153 	hiter->dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, hiter->dev);  in mmio_read()
155 	if (!hiter->dev) {  in mmio_read()
156 		destroy_header_iter(hiter);  in mmio_read()