Remove code to clear stolen stack binding

This is now handled internally by XENVIF.

Signed-off-by: Paul Durrant <paul.durrant@citrix.com>

diff --git a/src/coinst/coinst.c b/src/coinst/coinst.c
index cdf61c0f14d518b09d79afb565984dbc2e8eef77..acbb5ff2de9a42b8bff4c81bd6c2b85b6d923e17 100644 (file)
--- a/src/coinst/coinst.c
+++ b/src/coinst/coinst.c
@@ -309,189 +309,6 @@ fail1:
     return FALSE;
 }
 
-static BOOLEAN
-OpenSoftwareKey(
-    IN  HDEVINFO            DeviceInfoSet,
-    IN  PSP_DEVINFO_DATA    DeviceInfoData,
-    OUT PHKEY               Key
-    )
-{
-    HRESULT                 Error;
-
-    *Key = SetupDiOpenDevRegKey(DeviceInfoSet,
-                                DeviceInfoData,
-                                DICS_FLAG_GLOBAL,
-                                0,
-                                DIREG_DRV,
-                                KEY_ALL_ACCESS);
-    if (*Key == INVALID_HANDLE_VALUE) {
-        SetLastError(ERROR_PATH_NOT_FOUND);
-        goto fail1;
-    }
-
-    return TRUE;
-
-fail1:
-    Error = GetLastError();
-
-    {
-        PTCHAR  Message;
-
-        Message = __GetErrorMessage(Error);
-        Log("fail1 (%s)", Message);
-        LocalFree(Message);
-    }
-
-    return FALSE;
-}
-
-static BOOLEAN
-GetAliasNetInstance(
-    IN  HKEY    Key,
-    OUT PTCHAR  *AliasNetInstance
-    )
-{
-    HRESULT     Error;
-    DWORD       MaxValueLength;
-    DWORD       AliasNetInstanceLength;
-    DWORD       Type;
-
-    Log("====>");
-
-    Error = RegQueryInfoKey(Key,
-                            NULL,
-                            NULL,
-                            NULL,
-                            NULL,
-                            NULL,
-                            NULL,
-                            NULL,
-                            NULL,
-                            &MaxValueLength,
-                            NULL,
-                            NULL);
-    if (Error != ERROR_SUCCESS) {
-        SetLastError(Error);
-        goto fail1;
-    }
-
-    AliasNetInstanceLength = MaxValueLength + sizeof (TCHAR);
-
-    *AliasNetInstance = calloc(1, AliasNetInstanceLength);
-    if (*AliasNetInstance == NULL)
-        goto fail2;
-
-    Error = RegQueryValueEx(Key,
-                            "AliasNetInstance",
-                            NULL,
-                            &Type,
-                            (LPBYTE)*AliasNetInstance,
-                            &AliasNetInstanceLength);
-    if (Error != ERROR_SUCCESS) {
-        if (Error != ERROR_FILE_NOT_FOUND) {
-            SetLastError(Error);
-            goto fail3;
-        }
-
-        Type = REG_SZ;
-        AliasNetInstanceLength = 0;
-    }
-
-    if (Type != REG_SZ) {
-        SetLastError(ERROR_BAD_FORMAT);
-        goto fail4;
-    }
-
-    if (AliasNetInstanceLength == 0) {
-        free(*AliasNetInstance);
-        *AliasNetInstance = NULL;
-    }
-
-    Log("%s", (*AliasNetInstance == NULL) ? "[NONE]" : *AliasNetInstance);
-
-    Log("<====");
-
-    return TRUE;
-
-fail4:
-    Log("fail4");
-
-fail3:
-    Log("fail3");
-
-    free(*AliasNetInstance);
-    *AliasNetInstance = NULL;
-
-fail2:
-    Log("fail2");
-
-fail1:
-    Error = GetLastError();
-
-    {
-        PTCHAR  Message;
-        Message = __GetErrorMessage(Error);
-        Log("fail1 (%s)", Message);
-        LocalFree(Message);
-    }
-
-    return FALSE;
-}
-
-static VOID
-ClearStolenLinkage(
-    IN  HDEVINFO            DeviceInfoSet,
-    IN  PSP_DEVINFO_DATA    DeviceInfoData
-    )
-{
-    BOOLEAN                 Success;
-    PTCHAR                  AliasNetInstance;
-    HKEY                    Key;
-    HRESULT                 Error;
-
-    Log("====>");
-
-    Success = OpenSoftwareKey(DeviceInfoSet,
-                              DeviceInfoData,
-                              &Key);
-    if (!Success)
-        goto fail1;
-
-    Success = GetAliasNetInstance(Key, &AliasNetInstance);
-    if (!Success)
-        goto fail2;
-
-    if (AliasNetInstance == NULL)
-        goto done;
-
-    (VOID) RegDeleteKey(Key, "Linkage");
-    (VOID) RegDeleteValue(Key, "NetLuidIndex");
-    (VOID) RegDeleteValue(Key, "NetCfgInstanceID");
-
-done:
-    RegCloseKey(Key);
-
-    Log("<====");
-
-    return;
-
-fail2:
-    Log("fail2");
-
-    RegCloseKey(Key);
-
-fail1:
-    Error = GetLastError();
-
-    {
-        PTCHAR  Message;
-
-        Message = __GetErrorMessage(Error);
-        Log("fail1 (%s)", Message);
-        LocalFree(Message);
-    }
-}
-
 static FORCEINLINE HRESULT
 __DifInstallPreProcess(
     IN  HDEVINFO                    DeviceInfoSet,
@@ -592,12 +409,12 @@ __DifRemovePreProcess(
     IN  PCOINSTALLER_CONTEXT_DATA   Context
     )
 {
+    UNREFERENCED_PARAMETER(DeviceInfoSet);
+    UNREFERENCED_PARAMETER(DeviceInfoData);
     UNREFERENCED_PARAMETER(Context);
 
     Log("<===>");
 
-    ClearStolenLinkage(DeviceInfoSet, DeviceInfoData);
-
     return NO_ERROR;
 }