struct usb_device *dev;
struct acm *acm;
struct usb_host_config *cfacm;
- struct usb_interface *data;
- struct usb_host_interface *ifcom, *ifdata;
- struct usb_endpoint_descriptor *epctrl, *epread, *epwrite;
+ struct usb_interface *data = NULL;
+ struct usb_host_interface *ifcom, *ifdata = NULL;
+ struct usb_endpoint_descriptor *epctrl = NULL;
+ struct usb_endpoint_descriptor *epread = NULL;
+ struct usb_endpoint_descriptor *epwrite = NULL;
int readsize, ctrlsize, minor, j;
unsigned char *buf;