jpegdec: Make upstream events MT-safe

diff --git a/ext/jpeg/gstjpegdec.c b/ext/jpeg/gstjpegdec.c
index 71ae4b9..d3a1e54 100644 (file)
--- a/ext/jpeg/gstjpegdec.c
+++ b/ext/jpeg/gstjpegdec.c
@@ -1651,6 +1651,8 @@ gst_jpeg_dec_src_event (GstPad * pad, GstEvent * event)
   gboolean res;
 
   dec = GST_JPEG_DEC (gst_pad_get_parent (pad));
+  if (G_UNLIKELY (dec == NULL))
+    return FALSE;
 
   switch (GST_EVENT_TYPE (event)) {
     case GST_EVENT_QOS:{