From 9cc42a92428bb3a2eaea7789b1e34a68c29223b8 Mon Sep 17 00:00:00 2001
From: "Song, BinX" <binx.song@intel.com>
Date: Wed, 2 Nov 2016 10:09:26 +0800
Subject: [PATCH] EdkCompatibilityPkg/PrintLite: Fix ErrorPrint() wrong NULL
 char check

- '\0' -> NULL
- https://bugzilla.tianocore.org/show_bug.cgi?id=47

Cc: Liming Gao <liming.gao@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Bell Song <binx.song@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
---
 EdkCompatibilityPkg/Foundation/Library/Dxe/PrintLite/StdErr.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/EdkCompatibilityPkg/Foundation/Library/Dxe/PrintLite/StdErr.c b/EdkCompatibilityPkg/Foundation/Library/Dxe/PrintLite/StdErr.c
index e48cbe834d..4abe14f338 100644
--- a/EdkCompatibilityPkg/Foundation/Library/Dxe/PrintLite/StdErr.c
+++ b/EdkCompatibilityPkg/Foundation/Library/Dxe/PrintLite/StdErr.c
@@ -101,7 +101,7 @@ Returns:
     return 0;
   }
 
-  if (ErrorString != '\0') {
+  if (ErrorString != NULL) {
     if (gST->StdErr != NULL) {
       //
       // To be extra safe make sure StdErr has been initialized
-- 
2.39.2