range: add g_return_if check

diff --git a/gst-libs/gst/rtsp/gstrtsprange.c b/gst-libs/gst/rtsp/gstrtsprange.c
index cced06b..11fc6b1 100644 (file)
--- a/gst-libs/gst/rtsp/gstrtsprange.c
+++ b/gst-libs/gst/rtsp/gstrtsprange.c
@@ -399,5 +399,7 @@ gst_rtsp_range_to_string (const GstRTSPTimeRange * range)
 void
 gst_rtsp_range_free (GstRTSPTimeRange * range)
 {
+  g_return_if_fail (range != NULL);
+
   g_free (range);
 }