if (session->input) {
                input_unregister_device(session->input);
-               kfree(session->input);
+               session->input = NULL;
        }
 
        up_write(&hidp_session_sem);
 
        input->private = session;
 
+       input->name = "Bluetooth HID Boot Protocol Device";
+
        input->id.bustype = BUS_BLUETOOTH;
        input->id.vendor  = req->vendor;
        input->id.product = req->product;
                return -ENOTUNIQ;
 
        session = kmalloc(sizeof(struct hidp_session), GFP_KERNEL);
-       if (!session) 
+       if (!session)
                return -ENOMEM;
        memset(session, 0, sizeof(struct hidp_session));
 
-       session->input = kmalloc(sizeof(struct input_dev), GFP_KERNEL);
+       session->input = input_allocate_device();
        if (!session->input) {
                kfree(session);
                return -ENOMEM;
        }
-       memset(session->input, 0, sizeof(struct input_dev));
 
        down_write(&hidp_session_sem);
 
 
        __hidp_unlink_session(session);
 
-       if (session->input)
+       if (session->input) {
                input_unregister_device(session->input);
+               session->input = NULL; /* don't try to free it here */
+       }
 
 failed:
        up_write(&hidp_session_sem);