Input: sidewinder - handle errors from input_register_device()

Also set .owner in driver structure so we'll have a link between
module and driver in sysfs.

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

1 files changed, 6 insertions, 2 deletions

diff --git a/drivers/input/joystick/sidewinder.c b/drivers/input/joystick/sidewinder.c
index 03f9e7ed030..2b2ec1057de 100644
--- a/drivers/input/joystick/sidewinder.c
+++ b/drivers/input/joystick/sidewinder.c
@@ -771,12 +771,15 @@ static int sw_connect(struct gameport *gameport, struct gameport_driver *drv)
 
                 dbg("%s%s [%d-bit id %d data %d]\n", sw->name, comment, m, l, k);
 
-                input_register_device(sw->dev[i]);
+                err = input_register_device(sw->dev[i]);
+                if (err)
+                        goto fail4;
         }
 
         return 0;
 
- fail3: while (--i >= 0)
+ fail4: input_free_device(sw->dev[i]);
+ fail3: while (--i >= 0)
                 input_unregister_device(sw->dev[i]);
  fail2: gameport_close(gameport);
  fail1: gameport_set_drvdata(gameport, NULL);
@@ -801,6 +804,7 @@ static void sw_disconnect(struct gameport *gameport)
 static struct gameport_driver sw_drv = {
         .driver         = {
                 .name   = "sidewinder",
+                .owner  = THIS_MODULE,
         },
         .description    = DRIVER_DESC,
         .connect        = sw_connect,