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[ISAPNP] Make sure that APCs are disabled before acquiring a lock

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Note: We could just use a fast mutex instead
This commit is contained in:
Dmitry Borisov 2024-07-06 00:50:03 +06:00
parent 6091dde0d3
commit fdc1d96dc1
1 changed files with 4 additions and 0 deletions
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4
drivers/bus/isapnp/isapnp.h
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@ -111,6 +111,8 @@ FORCEINLINE
VOID VOID
IsaPnpAcquireBusDataLock(VOID) IsaPnpAcquireBusDataLock(VOID)
{ {
ASSERT(PsGetCurrentProcess() == PsInitialSystemProcess);
KeWaitForSingleObject(&BusSyncEvent, Executive, KernelMode, FALSE, NULL); KeWaitForSingleObject(&BusSyncEvent, Executive, KernelMode, FALSE, NULL);
} }
@ -129,6 +131,8 @@ VOID
IsaPnpAcquireDeviceDataLock( IsaPnpAcquireDeviceDataLock(
_In_ PISAPNP_FDO_EXTENSION FdoExt) _In_ PISAPNP_FDO_EXTENSION FdoExt)
{ {
ASSERT(PsGetCurrentProcess() == PsInitialSystemProcess);
KeWaitForSingleObject(&FdoExt->DeviceSyncEvent, Executive, KernelMode, FALSE, NULL); KeWaitForSingleObject(&FdoExt->DeviceSyncEvent, Executive, KernelMode, FALSE, NULL);
} }