vlc | branch: master | Francois Cartegnie <[email protected]> | Fri May  5 
20:48:46 2017 +0200| [4efdadf652f8cb14da60d979aa20d4c7ad411155] | committer: 
Francois Cartegnie

demux: libmp4: don't return empty root

> http://git.videolan.org/gitweb.cgi/vlc.git/?a=commit;h=4efdadf652f8cb14da60d979aa20d4c7ad411155
---

 modules/demux/mp4/libmp4.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/modules/demux/mp4/libmp4.c b/modules/demux/mp4/libmp4.c
index 25daa2ea8c..5c43fbfee8 100644
--- a/modules/demux/mp4/libmp4.c
+++ b/modules/demux/mp4/libmp4.c
@@ -4664,7 +4664,12 @@ MP4_Box_t *MP4_BoxGetNextChunk( stream_t *s )
     MP4_ReadBoxContainerChildren( s, p_fakeroot, stoplist );
 
     p_tmp_box = p_fakeroot->p_first;
-    while( p_tmp_box )
+    if( p_tmp_box == NULL )
+    {
+        MP4_BoxFree( p_fakeroot );
+        return NULL;
+    }
+    else while( p_tmp_box )
     {
         p_fakeroot->i_size += p_tmp_box->i_size;
         p_tmp_box = p_tmp_box->p_next;

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