mxfdec: Check for NULL component

This fixes SIGSEGV with zzuf1.mxf

mxfdec: Check for NULL component
This fixes SIGSEGV with zzuf1.mxf
5e5e69d0 · Tomas Härdin · 5b718009 · 5e5e69d0
Commit 5e5e69d0 authored Dec 20, 2011 by Tomas Härdin
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mxfdec.c libavformat/mxfdec.c +1 -1

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--- a/libavformat/mxfdec.c
+++ b/libavformat/mxfdec.c
@@ -1276,7 +1276,7 @@ static int mxf_parse_structural_metadata(MXFContext *mxf)
                break;
            }
        }
-        if (!source_track)
+        if (!source_track || !component)
            continue;

        if (!(source_track->sequence = mxf_resolve_strong_ref(mxf, &source_track->sequence_ref, Sequence))) {