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[FREELDR:ARCH] hwide.c: Don't rely on DEVICE_UNIT P; to be at the beginning of the HW_DEVICE_UNIT structure (#8732)

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Hermès Bélusca-Maïto
2026-03-13 22:08:39 +01:00
parent 9f42210478
commit 62d71ebbd3
1 changed files with 2 additions and 3 deletions
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5
boot/freeldr/freeldr/arch/drivers/hwide.c
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@@ -1233,7 +1233,7 @@ AtaReadLogicalSectors(
_In_ ULONG SectorCount,
_Out_writes_bytes_all_(SectorCount * DeviceUnit->SectorSize) PVOID Buffer)
{
PHW_DEVICE_UNIT Unit = (PHW_DEVICE_UNIT)DeviceUnit;
PHW_DEVICE_UNIT Unit = CONTAINING_RECORD(DeviceUnit, HW_DEVICE_UNIT, P);
ATA_DEVICE_REQUEST Request = { 0 };
ASSERT(Unit);
@@ -1271,8 +1271,7 @@ AtaGetDevice(
_In_ UCHAR UnitNumber)
{
if (UnitNumber < RTL_NUMBER_OF(AtapUnits))
return (PDEVICE_UNIT)AtapUnits[UnitNumber];
return &(AtapUnits[UnitNumber]->P);
return NULL;
}