From 031fcc9bf6cba86d86bf3adab7b43811d5d0ef88 Mon Sep 17 00:00:00 2001
From: colinhl <helin48@huawei.com>
Date: Mon, 8 Jul 2024 10:58:30 +0800
Subject: [PATCH] add nullptr check when astc mem free

Signed-off-by: colinhl <helin48@huawei.com>
---
 Source/astcenc_entry.cpp | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/Source/astcenc_entry.cpp b/Source/astcenc_entry.cpp
index 81f8f6b..c079c40 100644
--- a/Source/astcenc_entry.cpp
+++ b/Source/astcenc_entry.cpp
@@ -789,8 +789,22 @@ void astcenc_context_free(
 	if (ctxo)
 	{
 		astcenc_contexti* ctx = &ctxo->context;
-		aligned_free<compression_working_buffers>(ctx->working_buffers);
-		aligned_free<block_size_descriptor>(ctx->bsd);
+		if (ctx->working_buffers)
+		{
+			aligned_free<compression_working_buffers>(ctx->working_buffers);
+		}
+		else
+		{
+			printf("ctx->working_buffers is nullptr !!\n");
+		}
+		if (ctx->bsd)
+		{
+			aligned_free<block_size_descriptor>(ctx->bsd);
+		}
+		else
+		{
+			printf("ctx->bsd is nullptr !!\n");
+		}
 #if defined(ASTCENC_DIAGNOSTICS)
 		delete ctx->trace_log;
 #endif
-- 
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