rem: if (fseek(f, 10, SEEK_SET) == 0) fread(&e->class_, 2, 1, f); if (fseek(f, 0x2c, SEEK_SET) == 0) fread(&e->subvendor, 2, 1, f), fread(&e->subdevice, 2, 1, f);
add: unsigned short *bufi = (unsigned short *) &buf; fread(&buf, 0x30, 1, f);  e->class_ = bufi[5]; e->subvendor = bufi[0x16]; e->subdevice = bufi[0x17];
context: extern struct pciusb_entries pci_probe(int probe_type) {	FILE *f;	char buf[BUF_SIZE];	unsigned short devbusfn;	unsigned int id;	struct pciusb_entries r;	r.nb = 0;	if (!(f = fopen(proc_pci_path, "r"))) {		char *err_msg;		asprintf(&err_msg, "unable to open \"%s\"\n"			    "You may have passed a wrong argument to the \"-p\" option.\n"			    "fopen() sets errno to", proc_pci_path);		perror(err_msg);		free(err_msg);		r.entries = NULL;		return r;	}	r.entries = malloc(sizeof(struct pciusb_entry) * MAX_DEVICES);	for (; fgets(buf, sizeof(buf) - 1, f) && r.nb < MAX_DEVICES; r.nb++) {		struct pciusb_entry *e = &r.entries[r.nb];		pciusb_initialize(e);		sscanf(buf, "%hx %x", &devbusfn, &id);		e->vendor = id >> 16;		e->device = id & 0xffff;		e->pci_bus = devbusfn >> 8;		e->pci_device = (devbusfn & 0xff) >> 3;		e->pci_function = (devbusfn & 0xff) & 0x07;		if (probe_type == 1) {			char file[25];			FILE *f;			snprintf(file, sizeof(file), "/proc/bus/pci/%02x/%02x.%d", e->pci_bus, e->pci_device, e->pci_function);			if ((f = fopen(file, "r"))) {				if (fseek(f, 10, SEEK_SET) == 0) 					fread(&e->class_, 2, 1, f);				if (fseek(f, 0x2c, SEEK_SET) == 0) 					fread(&e->subvendor, 2, 1, f), fread(&e->subdevice, 2, 1, f);				if ((e->subvendor == 0 && e->subdevice == 0) ||				    (e->subvendor == e->vendor && e->subdevice == e->device)) {					e->subvendor = 0xffff;					e->subdevice = 0xffff;				}				if (fseek(f, 9, SEEK_SET) == 0) {					unsigned char class_prog = 0;					fread(&class_prog, 1, 1, f);										if (e->class_ == PCI_CLASS_SERIAL_USB) /* taken from kudzu's pci.c */						e->module = strdup(class_prog == 0 ? "usb-uhci" : "usb-ohci");				}				fclose(f);			}		}	}	fclose(f);	realloc(r.entries,  sizeof(struct pciusb_entry) * r.nb);	if (pciusb_find_modules(&r, "pcitable", probe_type))		return r;	/* ok, let's try again with subids */	if (probe_type == 0) 		return pci_probe(1);	/* should not happen */	exit(1);}