HID: alps: fix error return code in alps_input_configured()

When input_register_device() fails, no error return code is assigned.
To fix this bug, ret is assigned with -ENOENT as error return code.

Reported-by: TOTE Robot <[e-mail]>
Signed-off-by: Jia-Ju Bai <[e-mail]>
Signed-off-by: Jiri Kosina <[e-mail]>

drivers/hid/hid-alps.c

···
 
 		if (input_register_device(data->input2)) {
 			input_free_device(input2);
+			ret = -ENOENT;
 			goto exit;
 		}
 	}