thorpej
Mon Jul 20 10:35:18 PDT 1998
Update of /cvsroot/src/sys/arch/hp300/dev
In directory nb00:/tmp/cvs-serv24821

Modified Files:
	dca.c 
Log Message:
Don't deref a NULL tty pointer in the interrupt routine.  This can happen
if we're the serial console, we have not yet been open'd, and we get an
interrupt for one reason or another.