From a301fe0cc8f80b81119126905236bf711e8a955e Mon Sep 17 00:00:00 2001
From: jcarsey <jcarsey@6f19259b-4bc3-4df7-8a09-765794883524>
Date: Fri, 12 Nov 2010 19:46:26 +0000
Subject: Clarify the MARCO a little.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11051 6f19259b-4bc3-4df7-8a09-765794883524
---
 ShellPkg/Include/ShellBase.h | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'ShellPkg')

diff --git a/ShellPkg/Include/ShellBase.h b/ShellPkg/Include/ShellBase.h
index b764381522..d005544bcd 100644
--- a/ShellPkg/Include/ShellBase.h
+++ b/ShellPkg/Include/ShellBase.h
@@ -20,8 +20,9 @@ typedef VOID *SHELL_FILE_HANDLE;
 #ifndef SHELL_FREE_NON_NULL
 #define SHELL_FREE_NON_NULL(Pointer)  \
   do {                                \
-    if (Pointer != NULL) {            \
-      FreePool(Pointer);              \
+    if ((Pointer) != NULL) {          \
+      FreePool((Pointer));            \
+      (Pointer) = NULL;               \
     }                                 \
   } while(FALSE)
 #endif //SHELL_FREE_NON_NULL
-- 
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