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 a43966083fc3d99ad8d37845d19b73ce687381f1..acc6dffb82699e21cd100e995584ca883543f892 100644 (file)
--- a/ShellPkg/Library/BaseShellLib/BaseShellLib.c
+++ b/ShellPkg/Library/BaseShellLib/BaseShellLib.c
@@ -1839,7 +1839,7 @@ ShellCommandLineGetFlag (
   //\r
   // enumerate through the list of parametrs\r
   //\r
   //\r
   // enumerate through the list of parametrs\r
   //\r

-  for (Node = GetFirstNode(CheckPackage) ; Node != CheckPackage ; Node = GetNextNode(CheckPackage, Node) ) {\r
+  for (Node = GetFirstNode(CheckPackage) ; !IsNull (CheckPackage, Node) ; Node = GetNextNode(CheckPackage, Node) ) {\r

     //\r
     // If the Name matches, return TRUE (and there may be NULL name)\r
     //\r
     //\r
     // If the Name matches, return TRUE (and there may be NULL name)\r
     //\r


@@ -1883,7 +1883,7 @@ ShellCommandLineGetValue (
   //\r
   // enumerate through the list of parametrs\r
   //\r
   //\r
   // enumerate through the list of parametrs\r
   //\r

-  for (Node = GetFirstNode(CheckPackage) ; Node != NULL ; Node = GetNextNode(CheckPackage, Node) ) {\r
+  for (Node = GetFirstNode(CheckPackage) ; !IsNull (CheckPackage, Node) ; Node = GetNextNode(CheckPackage, Node) ) {\r

     //\r
     // If the Name matches, return the value (name can be NULL)\r
     //\r
     //\r
     // If the Name matches, return the value (name can be NULL)\r
     //\r


@@ -1927,7 +1927,7 @@ ShellCommandLineGetRawValue (
   //\r
   // enumerate through the list of parametrs\r
   //\r
   //\r
   // enumerate through the list of parametrs\r
   //\r

-  for (Node = GetFirstNode(CheckPackage) ; Node != NULL ; Node = GetNextNode(CheckPackage, Node) ) {\r
+  for (Node = GetFirstNode(CheckPackage) ; !IsNull (CheckPackage, Node) ; Node = GetNextNode(CheckPackage, Node) ) {\r

     //\r
     // If the position matches, return the value\r
     //\r
     //\r
     // If the position matches, return the value\r
     //\r