MFC rev. 1.457: Do not dereference NULL scp in the case the screen is not opened. Instead, return ENXIO to the ioctl caller.
MFC rev. 1.457:
Do not dereference NULL scp in the case the screen is not opened.
Instead, return ENXIO to the ioctl caller.

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase