=== modified file 'libraries/libapparmor/src/kernel_interface.c'
--- libraries/libapparmor/src/kernel_interface.c	2013-06-25 22:55:08 +0000
+++ libraries/libapparmor/src/kernel_interface.c	2013-07-02 09:27:52 +0000
@@ -289,7 +289,8 @@
 	if (rc == -1) {
 		free(buffer);
 		*buf = NULL;
-		*mode = NULL;
+		if (mode)
+			*mode = NULL;
 	} else
 		*buf = buffer;