From: Seungha Yang <seungha.yang@navercorp.com>
Date: Mon, 14 Jan 2019 03:45:29 +0000 (+0900)
Subject: nlecomposition: Don't try dump null stack
X-Git-Tag: 1.19.3~493^2~638
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=8b3e304f15cb69f6446776718ca79619d15646b1;p=platform%2Fupstream%2Fgstreamer.git

nlecomposition: Don't try dump null stack

Fixes following assertion
Unexpected critical/warning: g_node_traverse: assertion 'root != NULL' failed
---

diff --git a/plugins/nle/nlecomposition.c b/plugins/nle/nlecomposition.c
index 75d9151..2f90b43 100644
--- a/plugins/nle/nlecomposition.c
+++ b/plugins/nle/nlecomposition.c
@@ -2967,6 +2967,9 @@ _dump_stack (NleComposition * comp, GNode * stack)
 #ifndef GST_DISABLE_GST_DEBUG
   GString *res;
 
+  if (!stack)
+    return;
+
   if (gst_debug_category_get_threshold (nlecomposition_debug) < GST_LEVEL_INFO)
     return;