[rygel] Better handling of Module.symbol() failure

[Zeeshan Ali Khattak <zeeshanak src gnome org>]

commit 1457cff01f6d0ffca056d6b71e8d468b459be399
Author: Zeeshan Ali (Khattak) <zeeshanak gnome org>
Date:   Wed May 27 14:09:40 2009 +0300

    Better handling of Module.symbol() failure
---
 src/rygel/rygel-plugin-loader.vala |   12 +++++++-----
 1 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/src/rygel/rygel-plugin-loader.vala b/src/rygel/rygel-plugin-loader.vala
index 39b4b94..0fef6b0 100644
--- a/src/rygel/rygel-plugin-loader.vala
+++ b/src/rygel/rygel-plugin-loader.vala
@@ -148,16 +148,18 @@ public class Rygel.PluginLoader : Object {
 
         void* function;
 
-        module.symbol("module_init", out function);
-
-        ModuleInitFunc module_init = (ModuleInitFunc) function;
-        if (module_init == null) {
+        if (!module.symbol("module_init", out function)) {
             warning ("Failed to find entry point function 'module_init'" +
-                     " in module loaded from path: '%s'\n", file_path);
+                     " in module loaded from path '%s': %s\n",
+                     file_path,
+                     Module.error ());
 
             return;
         }
 
+        ModuleInitFunc module_init = (ModuleInitFunc) function;
+        assert (module_init != null);
+
         // We don't want our modules to ever unload
         module.make_resident ();