NetKVM: BZ#1169718: Checking the length only on read

Signed-off-by: Joseph Hindin <yhindin@rehat.com>
void CParaNdisTX::CancelNBLs(PVOID CancelId)
{
    auto CanceledNBLs = BuildCancelList(CancelId);
    if (CanceledNBLs != nullptr)
    {
        NdisMSendNetBufferListsComplete(m_Context->MiniportHandle, CanceledNBLs, 0);
    }
}

void CParaNdisTX::CancelNBLs(PVOID CancelId)
{
    auto CanceledNBLs = BuildCancelList(CancelId);
    if (CanceledNBLs != nullptr)
    {
        NdisMSendNetBufferListsComplete(m_Context->MiniportHandle, CanceledNBLs, 0);
    }
}
