From 3c52e3dd7c806d349332fb22f3743891ed6be2a8 Mon Sep 17 00:00:00 2001
From: Eric Brown <eric@securelink.com>
Date: Fri, 2 Mar 2018 12:39:28 -0600
Subject: [PATCH] Fix H.264 codec init access violation on Windows N/KN systems

---
 libfreerdp/codec/h264_mf.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/libfreerdp/codec/h264_mf.c b/libfreerdp/codec/h264_mf.c
index 84f3cb9..a892d46 100644
--- a/libfreerdp/codec/h264_mf.c
+++ b/libfreerdp/codec/h264_mf.c
@@ -494,12 +494,15 @@ static BOOL mf_init(H264_CONTEXT* h264)
 	if (!sys)
 		goto error;
 
-	h264->pSystemData = (void*) sys;
 	/* http://decklink-sdk-delphi.googlecode.com/svn/trunk/Blackmagic%20DeckLink%20SDK%209.7/Win/Samples/Streaming/StreamingPreview/DecoderMF.cpp */
 	sys->mfplat = LoadLibraryA("mfplat.dll");
-
 	if (!sys->mfplat)
+	{
+		free(sys);
 		goto error;
+	}
+
+	h264->pSystemData = (void*) sys;
 
 	sys->MFStartup = (pfnMFStartup) GetProcAddress(sys->mfplat, "MFStartup");
 	sys->MFShutdown = (pfnMFShutdown) GetProcAddress(sys->mfplat, "MFShutdown");
-- 
2.7.4