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dll: FspFileSystemRegister: handle the case where service already exists better

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This commit is contained in:
Bill Zissimopoulos 2016-05-03 22:53:51 -07:00
parent 3f7ebe7996
commit a99e8ac9d2
1 changed files with 9 additions and 11 deletions
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20
src/dll/fs.c
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@ -411,18 +411,16 @@ NTSTATUS FspFileSystemRegister(VOID)
goto exit;
}
SvcHandle = OpenServiceW(ScmHandle, DriverName, DELETE);
SvcHandle = OpenServiceW(ScmHandle, DriverName, SERVICE_CHANGE_CONFIG);
if (0 != SvcHandle)
{
DeleteService(SvcHandle);
CloseServiceHandle(SvcHandle);
SvcHandle = 0;
}
SvcHandle = CreateServiceW(ScmHandle, DriverName, DriverName,
SERVICE_CHANGE_CONFIG,
SERVICE_FILE_SYSTEM_DRIVER, SERVICE_DEMAND_START, SERVICE_ERROR_NORMAL, DriverPath,
0, 0, 0, 0, 0);
ChangeServiceConfigW(SvcHandle,
SERVICE_FILE_SYSTEM_DRIVER, SERVICE_DEMAND_START, SERVICE_ERROR_NORMAL, DriverPath,
0, 0, 0, 0, 0, DriverName);
else
SvcHandle = CreateServiceW(ScmHandle, DriverName, DriverName,
SERVICE_CHANGE_CONFIG,
SERVICE_FILE_SYSTEM_DRIVER, SERVICE_DEMAND_START, SERVICE_ERROR_NORMAL, DriverPath,
0, 0, 0, 0, 0);
if (0 == SvcHandle)
{
Result = FspNtStatusFromWin32(GetLastError());