From c05acf40a8916b5b848e344cae7cfb0534082ed0 Mon Sep 17 00:00:00 2001
From: Haihao Xiang <haihao.xiang@intel.com>
Date: Wed, 11 Sep 2019 15:06:58 +0800
Subject: [PATCH] msdkdec: set pointer to NULL to avoid freeing an used surface

The surface should be cached in the surface list when GST_FLOW_OK is
going to be returned

This fixes https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/issues/1051
---
 sys/msdk/gstmsdkdec.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sys/msdk/gstmsdkdec.c b/sys/msdk/gstmsdkdec.c
index 641985eab2..50b88c35c2 100644
--- a/sys/msdk/gstmsdkdec.c
+++ b/sys/msdk/gstmsdkdec.c
@@ -1067,6 +1067,7 @@ gst_msdkdec_handle_frame (GstVideoDecoder * decoder, GstVideoCodecFrame * frame)
 
       if (bitstream.DataLength == 0) {
         flow = GST_FLOW_OK;
+        surface = NULL;
         break;
       }
     } else if (status == MFX_ERR_MORE_DATA) {