Input: gameport core - handle errors returned by device_bind_driver()

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

diff --git a/drivers/input/gameport/gameport.c b/drivers/input/gameport/gameport.c
index 3f47ae5..a0af97e 100644 (file)
--- a/drivers/input/gameport/gameport.c
+++ b/drivers/input/gameport/gameport.c
@@ -191,6 +191,8 @@ static void gameport_run_poll_handler(unsigned long d)
 
 static void gameport_bind_driver(struct gameport *gameport, struct gameport_driver *drv)
 {
+       int error;
+
        down_write(&gameport_bus.subsys.rwsem);
 
        gameport->dev.driver = &drv->driver;
@@ -198,8 +200,20 @@ static void gameport_bind_driver(struct gameport *gameport, struct gameport_driv
                gameport->dev.driver = NULL;
                goto out;
        }
-       device_bind_driver(&gameport->dev);
-out:
+
+       error = device_bind_driver(&gameport->dev);
+       if (error) {
+               printk(KERN_WARNING
+                       "gameport: device_bind_driver() failed "
+                       "for %s (%s) and %s, error: %d\n",
+                       gameport->phys, gameport->name,
+                       drv->description, error);
+               drv->disconnect(gameport);
+               gameport->dev.driver = NULL;
+               goto out;
+       }
+
+ out:
        up_write(&gameport_bus.subsys.rwsem);
 }