From fbe1328a51136538ec985ce7b9ef7cf97ba999e9 Mon Sep 17 00:00:00 2001
From: Star Zeng <star.zeng@intel.com>
Date: Tue, 13 Mar 2018 09:18:03 +0800
Subject: [PATCH] SecurityPkg OpalPasswordDxe: Return directly if no any device

Return directly if no any device in EndOfDxe notification.

Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Eric Dong <eric.dong@intel.com>
Cc: Chao Zhang <chao.b.zhang@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
---
 SecurityPkg/Tcg/Opal/OpalPassword/OpalDriver.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/SecurityPkg/Tcg/Opal/OpalPassword/OpalDriver.c b/SecurityPkg/Tcg/Opal/OpalPassword/OpalDriver.c
index d2597ce33e..1b55bbe4ec 100644
--- a/SecurityPkg/Tcg/Opal/OpalPassword/OpalDriver.c
+++ b/SecurityPkg/Tcg/Opal/OpalPassword/OpalDriver.c
@@ -610,6 +610,14 @@ OpalEndOfDxeEventNotify (
     mOpalRequestVariableSize = 0;
   }
 
+  //
+  // If no any device, return directly.
+  //
+  if (mOpalDriver.DeviceList == NULL) {
+    gBS->CloseEvent (Event);
+    return;
+  }
+
   //
   // Assume 64K size and alignment are enough.
   //
-- 
2.39.2