From: mdkinney <mdkinney@6f19259b-4bc3-4df7-8a09-765794883524>
Date: Fri, 22 May 2009 23:31:56 +0000 (+0000)
Subject: Fix linked list loops
X-Git-Tag: edk2-stable201903~17895
X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=commitdiff_plain;h=323f53ff7b98f23e91b6ebb97c82b7e9ff4fa819

Fix linked list loops


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@8377 6f19259b-4bc3-4df7-8a09-765794883524
---

diff --git a/ShellPkg/Library/BaseShellLib/BaseShellLib.c b/ShellPkg/Library/BaseShellLib/BaseShellLib.c
index a43966083f..acc6dffb82 100644
--- a/ShellPkg/Library/BaseShellLib/BaseShellLib.c
+++ b/ShellPkg/Library/BaseShellLib/BaseShellLib.c
@@ -1839,7 +1839,7 @@ ShellCommandLineGetFlag (
   //
   // enumerate through the list of parametrs
   //
-  for (Node = GetFirstNode(CheckPackage) ; Node != CheckPackage ; Node = GetNextNode(CheckPackage, Node) ) {
+  for (Node = GetFirstNode(CheckPackage) ; !IsNull (CheckPackage, Node) ; Node = GetNextNode(CheckPackage, Node) ) {
     //
     // If the Name matches, return TRUE (and there may be NULL name)
     //
@@ -1883,7 +1883,7 @@ ShellCommandLineGetValue (
   //
   // enumerate through the list of parametrs
   //
-  for (Node = GetFirstNode(CheckPackage) ; Node != NULL ; Node = GetNextNode(CheckPackage, Node) ) {
+  for (Node = GetFirstNode(CheckPackage) ; !IsNull (CheckPackage, Node) ; Node = GetNextNode(CheckPackage, Node) ) {
     //
     // If the Name matches, return the value (name can be NULL)
     //
@@ -1927,7 +1927,7 @@ ShellCommandLineGetRawValue (
   //
   // enumerate through the list of parametrs
   //
-  for (Node = GetFirstNode(CheckPackage) ; Node != NULL ; Node = GetNextNode(CheckPackage, Node) ) {
+  for (Node = GetFirstNode(CheckPackage) ; !IsNull (CheckPackage, Node) ; Node = GetNextNode(CheckPackage, Node) ) {
     //
     // If the position matches, return the value
     //