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| author | Chen Fan <chen.fan.fnst@cn.fujitsu.com> | 2014-09-28 06:21:46 +0000 |
|---|---|---|
| committer | jljusten <jljusten@6f19259b-4bc3-4df7-8a09-765794883524> | 2014-09-28 06:21:46 +0000 |
| commit | 8ab6d73c0e240d573cdce317a15317f235d24ac4 (patch) | |
| tree | c5b3927d94f659acac7748e4041ae729124411aa /EmulatorPkg | |
| parent | 90be22219668cae514cdb56934cb139089367dae (diff) | |
| download | edk2-8ab6d73c0e240d573cdce317a15317f235d24ac4.tar.gz edk2-8ab6d73c0e240d573cdce317a15317f235d24ac4.tar.bz2 edk2-8ab6d73c0e240d573cdce317a15317f235d24ac4.zip | |
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 <chen.fan.fnst@cn.fujitsu.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16183 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'EmulatorPkg')
| -rw-r--r-- | EmulatorPkg/CpuRuntimeDxe/MpService.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/EmulatorPkg/CpuRuntimeDxe/MpService.c b/EmulatorPkg/CpuRuntimeDxe/MpService.c index 536a47f7ec..ed57d7a0a3 100644 --- a/EmulatorPkg/CpuRuntimeDxe/MpService.c +++ b/EmulatorPkg/CpuRuntimeDxe/MpService.c @@ -984,10 +984,9 @@ CpuCheckAllAPsStatus ( 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 @@ CpuCheckAllAPsStatus ( //
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;
}
|