From 682c749ac13730d49624d88419e92fe19d1d0848 Mon Sep 17 00:00:00 2001
From: Mark Nauwelaerts <mnauw@users.sourceforge.net>
Date: Sat, 16 Mar 2024 19:32:19 +0100
Subject: dvdspu: avoid null dereference

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/6390>
---
 subprojects/gst-plugins-bad/gst/dvdspu/gstspu-pgs.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/subprojects/gst-plugins-bad/gst/dvdspu/gstspu-pgs.c b/subprojects/gst-plugins-bad/gst/dvdspu/gstspu-pgs.c
index df0b8e2cbe..684c320a65 100644
--- a/subprojects/gst-plugins-bad/gst/dvdspu/gstspu-pgs.c
+++ b/subprojects/gst-plugins-bad/gst/dvdspu/gstspu-pgs.c
@@ -584,6 +584,11 @@ parse_set_object_data (GstDVDSpu * dvdspu, guint8 type, guint8 * payload,
 
   PGS_DUMP ("Object ID %d ver %u flags 0x%02x\n", obj_id, obj_ver, flags);
 
+  if (!obj) {
+    GST_ERROR ("unknown Object ID %d", obj_id);
+    return 0;
+  }
+
   if (flags & PGS_OBJECT_UPDATE_FLAG_START_RLE) {
     obj->rle_data_ver = obj_ver;
 
-- 
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