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dll: FspFsctlStartService: fix bug in non-SxS mode

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This commit is contained in:
Bill Zissimopoulos 2022-09-10 17:14:19 +01:00
parent 8e0f5b457c
commit 1723179430
1 changed files with 8 additions and 8 deletions
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16
src/dll/fsctl.c
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@ -524,10 +524,9 @@ exit:
static VOID FspFsctlStartService_EnumFn(PVOID Context, PWSTR ServiceName, BOOLEAN Running)
{
PWSTR *PDriverName = Context;
if (0 == *PDriverName ||
0 > invariant_wcscmp(*PDriverName, ServiceName))
*PDriverName = ServiceName;
PWSTR DriverName = Context;
if (0 > invariant_wcscmp(DriverName, ServiceName))
lstrcpyW(DriverName, ServiceName);
}
FSP_API NTSTATUS FspFsctlStartService(VOID)
@ -549,17 +548,18 @@ FSP_API NTSTATUS FspFsctlStartService(VOID)
/* non-SxS mode */
NTSTATUS Result;
PWSTR DriverName = 0;
WCHAR DriverName[256];
Result = FspFsctlStartServiceByName(L"" FSP_FSCTL_DRIVER_NAME);
if (NT_SUCCESS(Result))
if (NT_SUCCESS(Result) || STATUS_NO_SUCH_DEVICE != Result)
return Result;
/* DO NOT CLOBBER Result. We will return it if our best effort below fails. */
FspFsctlEnumServices(FspFsctlStartService_EnumFn, &DriverName);
DriverName[0] = L'\0';
FspFsctlEnumServices(FspFsctlStartService_EnumFn, DriverName);
if (0 == DriverName || !NT_SUCCESS(FspFsctlStartServiceByName(DriverName)))
if (L'\0' == DriverName[0] || !NT_SUCCESS(FspFsctlStartServiceByName(DriverName)))
return Result;
return STATUS_SUCCESS;