diff --git a/MdeModulePkg/Bus/Ata/AtaBusDxe/AtaBus.c b/MdeModulePkg/Bus/Ata/AtaBusDxe/AtaBus.c
index cb6ee7ae32..33a7537b02 100644
--- a/MdeModulePkg/Bus/Ata/AtaBusDxe/AtaBus.c
+++ b/MdeModulePkg/Bus/Ata/AtaBusDxe/AtaBus.c
@@ -506,7 +506,7 @@ UnregisterAtaDevice (
   }
 
   ReleaseAtaResources (AtaDevice);
-  return Status;
+  return EFI_SUCCESS;
 }