--- zzzz-none-000/linux-2.6.32.61/drivers/usb/serial/sierra.c	2013-06-10 09:43:48.000000000 +0000
+++ virian-300e-630/linux-2.6.32.61/drivers/usb/serial/sierra.c	2011-05-25 13:51:48.000000000 +0000
@@ -925,7 +925,6 @@
 			continue;
 		kfree(portdata);
 	}
-	kfree(serial->private);
 }
 
 #ifdef CONFIG_PM