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>

diff --git a/SecurityPkg/Tcg/Opal/OpalPassword/OpalDriver.c b/SecurityPkg/Tcg/Opal/OpalPassword/OpalDriver.c
index d2597ce33ec12ffb5a1dff75b4b7d0c1046fcdf5..1b55bbe4ecb840f12c32cd2002cfe42b753e087b 100644 (file)
--- a/SecurityPkg/Tcg/Opal/OpalPassword/OpalDriver.c
+++ b/SecurityPkg/Tcg/Opal/OpalPassword/OpalDriver.c
@@ -610,6 +610,14 @@ OpalEndOfDxeEventNotify (
     mOpalRequestVariableSize = 0;\r
   }\r
 \r
     mOpalRequestVariableSize = 0;\r
   }\r
 \r

+  //\r
+  // If no any device, return directly.\r
+  //\r
+  if (mOpalDriver.DeviceList == NULL) {\r
+    gBS->CloseEvent (Event);\r
+    return;\r
+  }\r
+\r

   //\r
   // Assume 64K size and alignment are enough.\r
   //\r
   //\r
   // Assume 64K size and alignment are enough.\r
   //\r