From e69316ea6e87b76852589dc51a3aa384b295c0d6 Mon Sep 17 00:00:00 2001
From: xkernel <xkernel.wang@foxmail.com>
Date: Sun, 5 Nov 2023 23:14:07 +0800
Subject: [PATCH] add NULL check for mpe in Type_LUT8_Write

---
 src/cmstypes.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/cmstypes.c b/src/cmstypes.c
index b0e8c7ec..42271b5f 100644
--- a/src/cmstypes.c
+++ b/src/cmstypes.c
@@ -1922,7 +1922,7 @@ cmsBool  Type_LUT8_Write(struct _cms_typehandler_struct* self, cmsIOHANDLER* io,
 
     // Disassemble the LUT into components.
     mpe = NewLUT -> Elements;
-    if (mpe ->Type == cmsSigMatrixElemType) {
+    if (mpe != NULL && mpe ->Type == cmsSigMatrixElemType) {
 
         if (mpe->InputChannels != 3 || mpe->OutputChannels != 3) return FALSE;
         MatMPE = (_cmsStageMatrixData*) mpe ->Data;