diff options
| author | julian <julian@FreeBSD.org> | 1996-10-04 23:43:12 +0000 |
|---|---|---|
| committer | julian <julian@FreeBSD.org> | 1996-10-04 23:43:12 +0000 |
| commit | 3259298288a43a63a0840204a55efcffcfe5be44 (patch) | |
| tree | f33f3be621db05e8079a22fdc15935fd31ae32a8 /sys | |
| parent | 8b748f91150d2c03c335842d8c4f043f382da515 (diff) | |
| download | FreeBSD-src-3259298288a43a63a0840204a55efcffcfe5be44.zip FreeBSD-src-3259298288a43a63a0840204a55efcffcfe5be44.tar.gz | |
If we have no console device it is possible to be
1/ session leader
2/ Have a console device vnode (/dev/console)
3/ have NULL pointer for a consoel tty struct.
fix the only case where the tty struct is referenced without a prior
check for existance.
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/kern/kern_exit.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sys/kern/kern_exit.c b/sys/kern/kern_exit.c index eb9e444..531c0b2 100644 --- a/sys/kern/kern_exit.c +++ b/sys/kern/kern_exit.c @@ -36,7 +36,7 @@ * SUCH DAMAGE. * * @(#)kern_exit.c 8.7 (Berkeley) 2/12/94 - * $Id: kern_exit.c,v 1.38 1996/08/22 03:50:15 julian Exp $ + * $Id: kern_exit.c,v 1.39 1996/09/13 09:17:03 bde Exp $ */ #include "opt_ktrace.h" @@ -196,7 +196,7 @@ exit1(p, rv) * drain controlling terminal * and revoke access to controlling terminal. */ - if (sp->s_ttyp->t_session == sp) { + if (sp->s_ttyp && (sp->s_ttyp->t_session == sp)) { if (sp->s_ttyp->t_pgrp) pgsignal(sp->s_ttyp->t_pgrp, SIGHUP, 1); (void) ttywait(sp->s_ttyp); |
