From 79864f54ce932a75c35acfdbb63a7c01b7650a6e Mon Sep 17 00:00:00 2001
From: jji4 <jji4@6f19259b-4bc3-4df7-8a09-765794883524>
Date: Tue, 20 Jan 2009 04:17:05 +0000
Subject: [PATCH] Source level security checked

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@7316 6f19259b-4bc3-4df7-8a09-765794883524
---
 MdeModulePkg/Universal/PcatRealTimeClockRuntimeDxe/PcRtc.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/MdeModulePkg/Universal/PcatRealTimeClockRuntimeDxe/PcRtc.c b/MdeModulePkg/Universal/PcatRealTimeClockRuntimeDxe/PcRtc.c
index 6f875744ba..22ba816a08 100644
--- a/MdeModulePkg/Universal/PcatRealTimeClockRuntimeDxe/PcRtc.c
+++ b/MdeModulePkg/Universal/PcatRealTimeClockRuntimeDxe/PcRtc.c
@@ -593,6 +593,10 @@ PcRtcSetWakeupTime (
     // Just support set alarm time within 24 hours
     //
     PcRtcGetTime (&RtcTime, &Capabilities, Global);
+    Status = RtcTimeFieldsValid (&RtcTime);
+    if (EFI_ERROR (Status)) {
+      return EFI_DEVICE_ERROR;
+    }
     if (!IsWithinOneDay (&RtcTime, Time)) {
       return EFI_UNSUPPORTED;
     }