ssb: use put_device() if device_register fail

Never directly free @dev after calling device_register(), even
if it returned an error! Always use put_device() to give up the
reference initialized.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

drivers/ssb/main.c

@@ -522,7 +522,7 @@ static int ssb_devices_register(struct ssb_bus *bus)
 			/* Set dev to NULL to not unregister
 			 * dev on error unwinding. */
 			sdev->dev = NULL;
-			kfree(devwrap);
+			put_device(dev);
 			goto error;
 		}
 		dev_idx++;