playback: Fix broken GList modification

When we modify a GList (via g_list_delete_link), always reassign the
new head to the original GList. Otherwise we end up with
filtered_errors being corrupt (the head might have been the element
removed)

diff --git a/gst/playback/gstdecodebin2.c b/gst/playback/gstdecodebin2.c
index 6e6b1be..94ebda9 100644 (file)
--- a/gst/playback/gstdecodebin2.c
+++ b/gst/playback/gstdecodebin2.c
@@ -1916,7 +1916,7 @@ remove_error_filter (GstDecodeBin * dbin, GstElement * element,
       if (error)
         gst_message_replace (error, msg);
       gst_message_unref (msg);
-      l = g_list_delete_link (dbin->filtered_errors, l);
+      l = dbin->filtered_errors = g_list_delete_link (dbin->filtered_errors, l);
     } else {
       l = l->next;
     }