NetBSD master CVS tree commits

[source%NetBSD.ORG@localhost]

scottr
Tue Apr 15 15:45:16 PDT 1997
Update of /a/cvsroot/src/sys/arch/hp300/dev
In directory netbsd1:/var/slash-tmp/cvs-serv22080

Modified Files:
        dcm.c 
Log Message:
dcmreadbuf() should not return immediately if the tty hasn't been opened;
this fixes a kgdb goof.  Found by inspection.