Revision: 16183
http://sourceforge.net/p/edk2/code/16183
Author: jljusten
Date: 2014-09-28 06:21:46 +0000 (Sun, 28 Sep 2014)
Log Message:
-----------
EmulatorPkg/MpService: Fix a NULL reference
when making a CreateEvent() to call CpuCheckAllAPsStatus(),
the Context parameter was NULL in CpuCheckAllAPsStatus(),
so we must not use the Context as the ProcessorData pointer.
and should recalculate it.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Chen Fan <[email protected]>
Reviewed-by: Jordan Justen <[email protected]>
Modified Paths:
--------------
trunk/edk2/EmulatorPkg/CpuRuntimeDxe/MpService.c
Modified: trunk/edk2/EmulatorPkg/CpuRuntimeDxe/MpService.c
===================================================================
--- trunk/edk2/EmulatorPkg/CpuRuntimeDxe/MpService.c 2014-09-28 01:15:46 UTC
(rev 16182)
+++ trunk/edk2/EmulatorPkg/CpuRuntimeDxe/MpService.c 2014-09-28 06:21:46 UTC
(rev 16183)
@@ -984,10 +984,9 @@
gMPSystem.Timeout -= gPollInterval;
}
- ProcessorData = (PROCESSOR_DATA_BLOCK *) Context;
-
for (ProcessorNumber = 0; ProcessorNumber < gMPSystem.NumberOfProcessors;
ProcessorNumber++) {
- if ((ProcessorData[ProcessorNumber].Info.StatusFlag &
PROCESSOR_AS_BSP_BIT) == PROCESSOR_AS_BSP_BIT) {
+ ProcessorData = &gMPSystem.ProcessorData[ProcessorNumber];
+ if ((ProcessorData->Info.StatusFlag & PROCESSOR_AS_BSP_BIT) ==
PROCESSOR_AS_BSP_BIT) {
// Skip BSP
continue;
}
@@ -1045,7 +1044,8 @@
//
if (gMPSystem.FailedList != NULL) {
for (ProcessorNumber = 0; ProcessorNumber <
gMPSystem.NumberOfProcessors; ProcessorNumber++) {
- if ((ProcessorData[ProcessorNumber].Info.StatusFlag &
PROCESSOR_AS_BSP_BIT) == PROCESSOR_AS_BSP_BIT) {
+ ProcessorData = &gMPSystem.ProcessorData[ProcessorNumber];
+ if ((ProcessorData->Info.StatusFlag & PROCESSOR_AS_BSP_BIT) ==
PROCESSOR_AS_BSP_BIT) {
// Skip BSP
continue;
}
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