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sys: fsext: FsextProvider testing

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This commit is contained in:
Bill Zissimopoulos
2019-06-22 14:30:23 -07:00
parent adc759447e
commit dcf7e4c5a6
8 changed files with 23 additions and 14 deletions
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13
src/sys/fsext.c
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@@ -25,7 +25,7 @@
static KSPIN_LOCK FsextSpinLock = 0;
FSP_FSEXT_PROVIDER *FsextProvider;
FSP_FSEXT_PROVIDER *FspFsextProvider(UINT32 ControlCode, PNTSTATUS PLoadResult)
FSP_FSEXT_PROVIDER *FspFsextProvider(UINT32 FsextControlCode, PNTSTATUS PLoadResult)
{
FSP_FSEXT_PROVIDER *Provider;
KIRQL Irql;
@@ -33,6 +33,8 @@ FSP_FSEXT_PROVIDER *FspFsextProvider(UINT32 ControlCode, PNTSTATUS PLoadResult)
KeAcquireSpinLock(&FsextSpinLock, &Irql);
Provider = FsextProvider;
KeReleaseSpinLock(&FsextSpinLock, Irql);
if (0 != Provider && FsextControlCode != Provider->DeviceTransactCode)
Provider = 0;
if (0 != PLoadResult)
{
@@ -51,15 +53,12 @@ FSP_FSEXT_PROVIDER *FspFsextProvider(UINT32 ControlCode, PNTSTATUS PLoadResult)
RtlInitUnicodeString(&Path, L"" FSP_REGKEY "\\Fsext");
RtlInitEmptyUnicodeString(&Name, Buf, sizeof Buf);
Result = RtlUnicodeStringPrintf(&Name, L"%08x", ControlCode);
Result = RtlUnicodeStringPrintf(&Name, L"%08x", FsextControlCode);
ASSERT(NT_SUCCESS(Result));
Length = sizeof Value;
Result = FspRegistryGetValue(&Path, &Name, &Value.V, &Length);
if (STATUS_SUCCESS != Result/*!NT_SUCCESS*/)
if (!NT_SUCCESS(Result))
{
if (STATUS_BUFFER_OVERFLOW == Result)
Result = STATUS_BUFFER_TOO_SMALL;
*PLoadResult = Result;
return 0;
}
@@ -84,6 +83,8 @@ FSP_FSEXT_PROVIDER *FspFsextProvider(UINT32 ControlCode, PNTSTATUS PLoadResult)
KeAcquireSpinLock(&FsextSpinLock, &Irql);
Provider = FsextProvider;
KeReleaseSpinLock(&FsextSpinLock, Irql);
if (0 != Provider && FsextControlCode != Provider->DeviceTransactCode)
Provider = 0;
}
*PLoadResult = 0 != Provider ? STATUS_SUCCESS : STATUS_OBJECT_NAME_NOT_FOUND;