X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=MdeModulePkg%2FUniversal%2FVariable%2FRuntimeDxe%2FVariableDxe.c;h=c02d637699ab6aacc04ffe8ac1eaa9884ad51e93;hp=a697ae1c3a39414ab3600ff53aa5e005673a9cb6;hb=2c4b18e09590e50c95b95fd485144d00b3b7f39f;hpb=0dda774c86bf00462fc167686d5f8497abb633bb

diff --git a/MdeModulePkg/Universal/Variable/RuntimeDxe/VariableDxe.c b/MdeModulePkg/Universal/Variable/RuntimeDxe/VariableDxe.c
index a697ae1c3a..c02d637699 100644
--- a/MdeModulePkg/Universal/Variable/RuntimeDxe/VariableDxe.c
+++ b/MdeModulePkg/Universal/Variable/RuntimeDxe/VariableDxe.c
@@ -335,6 +335,7 @@ FtwNotificationEvent (
   UINT64                                  Length;
   EFI_PHYSICAL_ADDRESS                    VariableStoreBase;
   UINT64                                  VariableStoreLength;
+  UINTN                                   FtwMaxBlockSize;
 
   //
   // Ensure FTW protocol is installed.
@@ -343,7 +344,12 @@ FtwNotificationEvent (
   if (EFI_ERROR (Status)) {
     return ;
   }
-  
+
+  Status = FtwProtocol->GetMaxBlockSize (FtwProtocol, &FtwMaxBlockSize);
+  if (!EFI_ERROR (Status)) {
+    ASSERT (PcdGet32 (PcdFlashNvStorageVariableSize) <= FtwMaxBlockSize);
+  }
+
   //
   // Find the proper FVB protocol for variable.
   //