libhb: check if decvobsub.c private_data is not null before accessing one of its...

(cherry picked from commit 008b1f47941e6479e5db106653232fb886196238)

diff --git a/libhb/decvobsub.c b/libhb/decvobsub.c
index 73401b9f392e448b3aeef45ae9b0c89bfc116c4a..009c12e9643d591932f4fdb3e6c7c5361e16b91a 100644 (file)
--- a/libhb/decvobsub.c
+++ b/libhb/decvobsub.c
@@ -196,7 +196,7 @@ void decsubClose( hb_work_object_t * w )
 {
     hb_work_private_t * pv = w->private_data;
 
-    if ( pv->buf )
+    if ( pv && pv->buf )
         hb_buffer_close( &pv->buf );
     free( w->private_data );
 }