pvr: Add stricter type checking in pvr_csb_pack().
Adds restrictions on the buffer in which to pack using pvr_csb_pack(), just to reduce the possibility of oob writes.
Due to an influx of spam, we have had to impose restrictions on new accounts. Please see this wiki page for instructions on how to get full permissions. Sorry for the inconvenience.
Adds restrictions on the buffer in which to pack using pvr_csb_pack(), just to reduce the possibility of oob writes.