control/media_descriptor.c: Make sure not to retain a NULL object.

403ca925 · Pierre d'Herbemont · 904e5739 · 403ca925
Commit 403ca925 authored Aug 25, 2007 by Pierre d'Herbemont
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src/control/media_descriptor.c src/control/media_descriptor.c +2 -2

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--- a/src/control/media_descriptor.c
+++ b/src/control/media_descriptor.c
@@ -445,7 +445,7 @@ libvlc_media_list_t *
 libvlc_media_descriptor_subitems( libvlc_media_descriptor_t * p_md,
                                  libvlc_exception_t * p_e )
 {
-    libvlc_media_list_retain( p_md->p_subitems );
+    if( p_md->p_subitems )
+        libvlc_media_list_retain( p_md->p_subitems );
    return p_md->p_subitems;
 }