SecurityPkg Variable: Introduce PcdReclaimVariableSpaceAtEndOfDxe

[mirror_edk2.git] / SecurityPkg / VariableAuthenticated / RuntimeDxe / Variable.c

diff --git a/SecurityPkg/VariableAuthenticated/RuntimeDxe/Variable.c b/SecurityPkg/VariableAuthenticated/RuntimeDxe/Variable.c
index 32a218022dc98b7f50fdce329927ba0f4e27c55e..ec857665fda4d442aecec3a410a1c0961e45a14f 100644 (file)
--- a/SecurityPkg/VariableAuthenticated/RuntimeDxe/Variable.c
+++ b/SecurityPkg/VariableAuthenticated/RuntimeDxe/Variable.c
@@ -3603,6 +3603,15 @@ ReclaimForOS(
   EFI_STATUS                     Status;\r
   UINTN                          RemainingCommonRuntimeVariableSpace;\r
   UINTN                          RemainingHwErrVariableSpace;\r
+  STATIC BOOLEAN                 Reclaimed;\r
+\r
+  //\r
+  // This function will be called only once at EndOfDxe or ReadyToBoot event.\r
+  //\r
+  if (Reclaimed) {\r
+    return;\r
+  }\r
+  Reclaimed = TRUE;\r
 \r
   Status  = EFI_SUCCESS;\r
 \r