demux: mkv: unchecked return

5a95c543 · Francois Cartegnie · 40a82fd4 · 5a95c543
Commit 5a95c543 authored Dec 30, 2015 by Francois Cartegnie
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modules/demux/mkv/matroska_segment.cpp modules/demux/mkv/matroska_segment.cpp +2 -0

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--- a/modules/demux/mkv/matroska_segment.cpp
+++ b/modules/demux/mkv/matroska_segment.cpp
@@ -1253,6 +1253,8 @@ void matroska_segment_c::EnsureDuration()
                             var_InheritBool( &sys.demuxer, "mkv-use-dummy" ) );

        KaxCluster *p_last_cluster = (KaxCluster *) ep->Get();
+        if( p_last_cluster == NULL )
+            return;
        ParseCluster( p_last_cluster, false, SCOPE_PARTIAL_DATA );

        // use the last block + duration