kib 4be0c75a36 Do not allow the SNPSTTY ioctl for the snoop device that has a tty ... attached. Otherwise, the snp->snp_tty would be overwritten, while the tty line discipline still set to the snpdisc. Then snplwrite() causes panic because ttytosnp() cannot find the snp. MFC after: 1 week		2007-12-03 14:02:27 +00:00
..
snp.c	Do not allow the SNPSTTY ioctl for the snoop device that has a tty	2007-12-03 14:02:27 +00:00