plymouth/0001-splash-do-not-process-display-lists-if-it-is-empty.patch

From 95b775ea543489c688595e94a96909402b2b56f1 Mon Sep 17 00:00:00 2001
From: Frederic Crozat <fcrozat@suse.com>
Date: Fri, 20 Jun 2014 16:01:12 +0200
Subject: [PATCH] splash: do not process display lists if it is empty or NULL

---
 src/plugins/splash/script/plugin.c            | 1 +
 src/plugins/splash/script/script-lib-sprite.c | 7 +++++++
 2 files changed, 8 insertions(+)

diff --git a/src/plugins/splash/script/plugin.c b/src/plugins/splash/script/plugin.c
index 8e37b37..cd9e052 100644
--- a/src/plugins/splash/script/plugin.c
+++ b/src/plugins/splash/script/plugin.c
@@ -334,6 +334,7 @@ stop_script_animation (ply_boot_splash_plugin_t *plugin)
 
   script_state_destroy (plugin->script_state);
   script_lib_sprite_destroy (plugin->script_sprite_lib);
+  plugin->script_sprite_lib = NULL;
   script_lib_image_destroy (plugin->script_image_lib);
   script_lib_plymouth_destroy (plugin->script_plymouth_lib);
   script_lib_math_destroy (plugin->script_math_lib);
diff --git a/src/plugins/splash/script/script-lib-sprite.c b/src/plugins/splash/script/script-lib-sprite.c
index 166c7e7..f1cd57f 100644
--- a/src/plugins/splash/script/script-lib-sprite.c
+++ b/src/plugins/splash/script/script-lib-sprite.c
@@ -704,6 +704,9 @@ void script_lib_sprite_pixel_display_removed (script_lib_sprite_data_t *data, pl
     ply_list_node_t *next_node;
     script_lib_display_t* display;
 
+    if (!data)
+        return;
+
     node = ply_list_get_first_node (data->displays);
     while (node)
     {
@@ -725,6 +728,9 @@ script_lib_sprite_refresh (script_lib_sprite_data_t *data)
   ply_region_t *region = ply_region_new ();
   ply_list_t *rectable_list;
 
+  if (!data)
+      return;
+
   ply_list_sort_stable (data->sprite_list, &sprite_compare_z);
 
   node = ply_list_get_first_node (data->sprite_list);
@@ -848,5 +854,6 @@ void script_lib_sprite_destroy (script_lib_sprite_data_t *data)
   script_parse_op_free (data->script_main_op);
   script_obj_native_class_destroy (data->class);
   free (data);
+  data = NULL;
 }
 
-- 
1.8.4.5