idxd_dev(idxd_dev)) {
 		alt_drv = driver_find("idxd", bus);
@@ -54,13 +62,20 @@ static ssize_t bind_store(struct device_
 			alt_drv = driver_find("user", bus);
 	}
 	if (!alt_drv)
-		return -ENODEV;
+		goto err_put_dev;
 
 	rc = device_driver_attach(alt_drv, dev);
 	if (rc < 0)
-		return rc;
+		goto err_put_dev;
+
+	put_device(dev);
 
 	return count;
+
+err_put_dev:
+	put_device(dev);
+
+	return rc;
 }
 static DRIVER_ATTR_IGNORE_LOCKDEP(bind, 0200, NULL, bind_store);
 [PATCH 6.6 082/254] dmaengine: idxd: fix device leaks on compat bind and unbindGreg Kroah-Hartman <gregkh@linuxfoundation.org> undefinedstable@vger.kernel.org undefined undefined undefined undefined undefined”