move DeleteScriptFileStruct from a private to a public function. This allows for better memory cleanup when errors occur.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10906 6f19259b-4bc3-4df7-8a09-765794883524

1 files changed, 17 insertions, 12 deletions

diff --git a/ShellPkg/Library/UefiShellCommandLib/UefiShellCommandLib.c b/ShellPkg/Library/UefiShellCommandLib/UefiShellCommandLib.c
index 5a3739ff91..4aec5d44ca 100644
--- a/ShellPkg/Library/UefiShellCommandLib/UefiShellCommandLib.c
+++ b/ShellPkg/Library/UefiShellCommandLib/UefiShellCommandLib.c
@@ -767,13 +767,16 @@ DeleteScriptFileStruct (
   )

 {

   UINT8       LoopVar;

-  ASSERT(Script             != NULL);

-  ASSERT(Script->ScriptName != NULL);

+

+  if (Script == NULL) {

+    return;

+  }

+

   for (LoopVar = 0 ; LoopVar < Script->Argc ; LoopVar++) {

-    FreePool(Script->Argv[LoopVar]);

+    SHELL_FREE_NON_NULL(Script->Argv[LoopVar]);

   }

   if (Script->Argv != NULL) {

-    FreePool(Script->Argv);

+    SHELL_FREE_NON_NULL(Script->Argv);

   }

   Script->CurrentCommand = NULL;

   while (!IsListEmpty (&Script->CommandList)) {

@@ -781,16 +784,16 @@ DeleteScriptFileStruct (
     if (Script->CurrentCommand != NULL) {

       RemoveEntryList(&Script->CurrentCommand->Link);

       if (Script->CurrentCommand->Cl != NULL) {

-        FreePool(Script->CurrentCommand->Cl);

+        SHELL_FREE_NON_NULL(Script->CurrentCommand->Cl);

       }

       if (Script->CurrentCommand->Data != NULL) {

-        FreePool(Script->CurrentCommand->Data);

+        SHELL_FREE_NON_NULL(Script->CurrentCommand->Data);

       }

-      FreePool(Script->CurrentCommand);

+      SHELL_FREE_NON_NULL(Script->CurrentCommand);

     }

   }

-  FreePool(Script->ScriptName);

-  FreePool(Script);

+  SHELL_FREE_NON_NULL(Script->ScriptName);

+  SHELL_FREE_NON_NULL(Script);

 }

 

 /**

@@ -833,7 +836,6 @@ ShellCommandSetNewScript (
   SCRIPT_FILE_LIST *Node;

   if (Script == NULL) {

     if (IsListEmpty (&mScriptList.Link)) {

-      ASSERT(FALSE);

       return (NULL);

     }

     Node = (SCRIPT_FILE_LIST *)GetFirstNode(&mScriptList.Link);

@@ -842,6 +844,9 @@ ShellCommandSetNewScript (
     FreePool(Node);

   } else {

     Node = AllocateZeroPool(sizeof(SCRIPT_FILE_LIST));

+    if (Node == NULL) {

+      return (NULL);

+    }

     Node->Data = Script;

     InsertHeadList(&mScriptList.Link, &Node->Link);

   }

@@ -1025,7 +1030,7 @@ ShellCommandCreateInitialMappingsAndPaths(
   //

   // Find each handle with Simple File System

   //

-  HandleList = GetHandleListByPotocol(&gEfiSimpleFileSystemProtocolGuid);

+  HandleList = GetHandleListByProtocol(&gEfiSimpleFileSystemProtocolGuid);

   if (HandleList != NULL) {

     //

     // Do a count of the handles

@@ -1085,7 +1090,7 @@ ShellCommandCreateInitialMappingsAndPaths(
   //

   // Find each handle with Block Io

   //

-  HandleList = GetHandleListByPotocol(&gEfiBlockIoProtocolGuid);

+  HandleList = GetHandleListByProtocol(&gEfiBlockIoProtocolGuid);

   if (HandleList != NULL) {

     for (Count = 0 ; HandleList[Count] != NULL ; Count++);