Add a test against isp->isp_osinfo.islocked prior to trying to see whether --isp->isp_osinfo.islocked is zero to cause us to unlock (non-SMPLOCK case).
Add a test against isp->isp_osinfo.islocked prior to trying to see whether --isp->isp_osinfo.islocked is zero to cause us to unlock (non-SMPLOCK case).