From 7dc182ed1e7198420fa10fb523e3d52093fefab2 Mon Sep 17 00:00:00 2001
From: Michael Kubacki <michael.kubacki@microsoft.com>
Date: Tue, 8 Nov 2022 15:32:41 -0500
Subject: PcAtChipsetPkg: Fix conditionally uninitialized variables

Fixes CodeQL alerts for CWE-457:
https://cwe.mitre.org/data/definitions/457.html

Cc: Erich McMillan <emcmillan@microsoft.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Michael Kubacki <mikuback@linux.microsoft.com>
Cc: Ray Ni <ray.ni@intel.com>
Co-authored-by: Erich McMillan <emcmillan@microsoft.com>
Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com>
Reviewed-by: Michael D Kinney <michael.d.kinney@intel.com>
Reviewed-by: Ray Ni <ray.ni@intel.com>
Reviewed-by: Oliver Smith-Denny <osd@smith-denny.com>
---
 PcAtChipsetPkg/PcatRealTimeClockRuntimeDxe/PcRtc.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

(limited to 'PcAtChipsetPkg')

diff --git a/PcAtChipsetPkg/PcatRealTimeClockRuntimeDxe/PcRtc.c b/PcAtChipsetPkg/PcatRealTimeClockRuntimeDxe/PcRtc.c
index 1575946..d8b9fa8 100644
--- a/PcAtChipsetPkg/PcatRealTimeClockRuntimeDxe/PcRtc.c
+++ b/PcAtChipsetPkg/PcatRealTimeClockRuntimeDxe/PcRtc.c
@@ -345,7 +345,7 @@ PcRtcInit (
   // so we can use them to get and set wakeup time.
   //
   Status = PcRtcGetWakeupTime (&Enabled, &Pending, &Time, Global);
-  if ((Enabled) || (!EFI_ERROR (Status))) {
+  if ((!EFI_ERROR (Status)) || (Enabled)) {
     return EFI_SUCCESS;
   }
 
@@ -838,8 +838,11 @@ PcRtcSetWakeupTime (
     //
     // Just support set alarm time within 24 hours
     //
-    PcRtcGetTime (&RtcTime, &Capabilities, Global);
-    Status = RtcTimeFieldsValid (&RtcTime);
+    Status = PcRtcGetTime (&RtcTime, &Capabilities, Global);
+    if (!EFI_ERROR (Status)) {
+      Status = RtcTimeFieldsValid (&RtcTime);
+    }
+
     if (EFI_ERROR (Status)) {
       return EFI_DEVICE_ERROR;
     }
-- 
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