From: Charlie Brej <cbrej@cs.man.ac.uk>
Date: Thu, 25 Jun 2009 10:39:01 +0000 (+0100)
Subject: [script] Don't error on object unref of NULL
X-Git-Tag: 0.7.0~140
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7901df33f901885cb206ece9155eb5c0ead43849;p=thirdparty%2Fplymouth.git

[script] Don't error on object unref of NULL

This follows the usage of free with a NULL as well as ply-image etc.
---

diff --git a/src/plugins/splash/script/script-object.c b/src/plugins/splash/script/script-object.c
index 59eb296e..115ad3fe 100644
--- a/src/plugins/splash/script/script-object.c
+++ b/src/plugins/splash/script/script-object.c
@@ -34,6 +34,8 @@ void script_obj_ref (script_obj* obj)
 
 void script_obj_unref (script_obj* obj)
 {
+ if (!obj) return;
+ assert(obj->refcount>0);
  obj->refcount--;
  if (obj->refcount<=0){
     script_obj_free (obj);