media-export: Avoid crash on startup

There is a slight possibility that init() is not called on RootContainer
before the first browse action starts. This will cause the ObjectFactory to
return null as the Filesystem folder, causing a null pointer access.

Signed-off-by: Jens Georg <mail@jensge.org>

1 files changed, 7 insertions, 0 deletions

diff --git a/src/plugins/media-export/rygel-media-export-root-container.vala b/src/plugins/media-export/rygel-media-export-root-container.vala
index 9bfbd808..38b69801 100644
--- a/src/plugins/media-export/rygel-media-export-root-container.vala
+++ b/src/plugins/media-export/rygel-media-export-root-container.vala
@@ -350,6 +350,13 @@ public class Rygel.MediaExport.RootContainer : TrackableDbContainer {
         return true;
     }
 
+    public override int count_children () {
+        if (!this.initialized) {
+            return 0;
+        } else {
+            return base.count_children ();
+        }
+    }
 
     /**
      * Create a new root container.