asfdemux: Reset number of languages to 0 when freeing the array because of errors

Otherwise we will happily index into the array at NULL if the requested
index is smaller than the number of languages that were previously
allocated.

https://bugzilla.gnome.org/show_bug.cgi?id=777937

Change-Id: If6257d541c5a1e55241a53d33896a719fb99713a

diff --git a/gst/asfdemux/gstasfdemux.c b/gst/asfdemux/gstasfdemux.c
index 4bf0619b8f2d515cc7ccc8fd662ba3b6e17358d7..e35271e3ac041add2916dcd1ddc0630818c32ca7 100644 (file)
--- a/gst/asfdemux/gstasfdemux.c
+++ b/gst/asfdemux/gstasfdemux.c
@@ -3719,6 +3719,7 @@ not_enough_data:
     GST_WARNING_OBJECT (demux, "short read parsing language list object!");
     g_free (demux->languages);
     demux->languages = NULL;
+    demux->num_languages = 0;
     return GST_FLOW_OK;         /* not fatal */
   }
 }