diff options
| author | mlaier <mlaier@FreeBSD.org> | 2004-08-12 14:15:42 +0000 |
|---|---|---|
| committer | mlaier <mlaier@FreeBSD.org> | 2004-08-12 14:15:42 +0000 |
| commit | 939573c38dbfc0f16e52d1fbc7592aa5c72b4843 (patch) | |
| tree | 1c4caefd1536be9da8505befe314a332c3368454 /sys/contrib | |
| parent | 625a88ed3624b3578c43a4dd208957df8d5952bd (diff) | |
| download | FreeBSD-src-939573c38dbfc0f16e52d1fbc7592aa5c72b4843.zip FreeBSD-src-939573c38dbfc0f16e52d1fbc7592aa5c72b4843.tar.gz | |
Loopback fix from Mathieu Sauve-Frankel:
Add missing check for NULL in DIOCCHANGERULE. This prevents a crash
in certain rare cases.
Diffstat (limited to 'sys/contrib')
| -rw-r--r-- | sys/contrib/pf/net/pf_ioctl.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/sys/contrib/pf/net/pf_ioctl.c b/sys/contrib/pf/net/pf_ioctl.c index b099d3e..4df9e37 100644 --- a/sys/contrib/pf/net/pf_ioctl.c +++ b/sys/contrib/pf/net/pf_ioctl.c @@ -1,5 +1,5 @@ /* $FreeBSD$ */ -/* $OpenBSD: pf_ioctl.c,v 1.112.2.1 2004/04/30 21:43:30 brad Exp $ */ +/* $OpenBSD: pf_ioctl.c,v 1.112.2.2 2004/07/24 18:28:12 brad Exp $ */ /* * Copyright (c) 2001 Daniel Hartmeier @@ -1503,7 +1503,8 @@ pfioctl(struct cdev *dev, u_long cmd, caddr_t addr, int flags, struct proc *p) while ((oldrule != NULL) && (oldrule->nr != pcr->nr)) oldrule = TAILQ_NEXT(oldrule, entries); if (oldrule == NULL) { - pf_rm_rule(NULL, newrule); + if (newrule != NULL) + pf_rm_rule(NULL, newrule); error = EINVAL; splx(s); break; |
