static void qcm_register_input(struct qcm *cam, struct usb_device *dev)
{
struct input_dev *input_dev;
static void qcm_register_input(struct qcm *cam, struct usb_device *dev)
{
struct input_dev *input_dev;
usb_make_path(dev, cam->input_physname, sizeof(cam->input_physname));
strncat(cam->input_physname, "/input0", sizeof(cam->input_physname));
usb_make_path(dev, cam->input_physname, sizeof(cam->input_physname));
strncat(cam->input_physname, "/input0", sizeof(cam->input_physname));
- input_register_device(cam->input);
+ error = input_register_device(cam->input);
+ if (error) {
+ warn("Failed to register camera's input device, err: %d\n",
+ error);
+ input_free_device(cam->input);
+ cam->input = NULL;
+ }
/* this code is based on qc-usb-messenger */
qcm_hsv2rgb(hue, saturation, value, &r, &g, &b);
/* this code is based on qc-usb-messenger */
qcm_hsv2rgb(hue, saturation, value, &r, &g, &b);