From 3372ab3cf2ff73233947e6ae817cd474cdd9aeb3 Mon Sep 17 00:00:00 2001
From: Liming Gao <liming.gao@intel.com>
Date: Thu, 12 Oct 2017 12:22:57 +0800
Subject: [PATCH] MdeModulePkg: Update RuntimeDxe Crc32 to check the input
 parameter

This is the regression issue. After apply CalculateCrc32(), the parameter
check is missing.

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Liming Gao <liming.gao@intel.com>
Reviewed-by: Wu Hao A <hao.a.wu@intel.com>
---
 MdeModulePkg/Core/RuntimeDxe/Crc32.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/MdeModulePkg/Core/RuntimeDxe/Crc32.c b/MdeModulePkg/Core/RuntimeDxe/Crc32.c
index 3e91e08049..c271856015 100644
--- a/MdeModulePkg/Core/RuntimeDxe/Crc32.c
+++ b/MdeModulePkg/Core/RuntimeDxe/Crc32.c
@@ -42,6 +42,10 @@ RuntimeDriverCalculateCrc32 (
   OUT UINT32  *CrcOut
   )
 {
+  if (Data == NULL || DataSize == 0 || CrcOut == NULL) {
+    return EFI_INVALID_PARAMETER;
+  }
+
   *CrcOut = CalculateCrc32 (Data, DataSize);
   return EFI_SUCCESS;
 }
-- 
2.39.2