UefiCpuPkg/PiSmmCpuDxeSmm: Check ProcessorId == INVALID_APIC_ID

[mirror_edk2.git] / UefiCpuPkg / PiSmmCpuDxeSmm / MpService.c

diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/MpService.c b/UefiCpuPkg/PiSmmCpuDxeSmm/MpService.c
index e03f1e02c015e2fb872c2f83140abf6cffbb0c51..4ac5e8e26462b146919047a61c6767e3e377585e 100644 (file)
--- a/UefiCpuPkg/PiSmmCpuDxeSmm/MpService.c
+++ b/UefiCpuPkg/PiSmmCpuDxeSmm/MpService.c
@@ -860,6 +860,9 @@ InternalSmmStartupThisAp (
     DEBUG((DEBUG_ERROR, "CpuIndex(%d) == gSmmCpuPrivate->SmmCoreEntryContext.CurrentlyExecutingCpu\n", CpuIndex));\r
     return EFI_INVALID_PARAMETER;\r
   }\r
+  if (gSmmCpuPrivate->ProcessorInfo[CpuIndex].ProcessorId == INVALID_APIC_ID) {\r
+    return EFI_INVALID_PARAMETER;\r
+  }\r
   if (!(*(mSmmMpSyncData->CpuData[CpuIndex].Present))) {\r
     if (mSmmMpSyncData->EffectiveSyncMode == SmmCpuSyncModeTradition) {\r
       DEBUG((DEBUG_ERROR, "!mSmmMpSyncData->CpuData[%d].Present\n", CpuIndex));\r