diff options
| author | Miod Vallat <miod@cvs.openbsd.org> | 2006-03-15 20:03:08 +0000 |
|---|---|---|
| committer | Miod Vallat <miod@cvs.openbsd.org> | 2006-03-15 20:03:08 +0000 |
| commit | 7a98474e0906ac069d94837486659e4625c3cf41 (patch) | |
| tree | e6f4d0c586aa8b01085c657132c319cb6f998c96 /sys/dev | |
| parent | b9a2c51f2cb93f4b6b2de48dc3ca86e1eef33511 (diff) | |
Entries in cd_devs[] may be NULL, so be sure to check for them in your
device open() function.
Diffstat (limited to 'sys/dev')
| -rw-r--r-- | sys/dev/pci/wdt.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/sys/dev/pci/wdt.c b/sys/dev/pci/wdt.c index 1e261081833..6c032f191c0 100644 --- a/sys/dev/pci/wdt.c +++ b/sys/dev/pci/wdt.c @@ -1,4 +1,4 @@ -/* $OpenBSD: wdt.c,v 1.6 2005/09/11 18:17:08 mickey Exp $ */ +/* $OpenBSD: wdt.c,v 1.7 2006/03/15 20:03:07 miod Exp $ */ /*- * Copyright (c) 1998,1999 Alex Nash @@ -217,8 +217,8 @@ wdtattach (parent, self, aux) int wdtopen (dev_t dev, int flags, int fmt, struct proc *p) { - if (UNIT(dev) >= wdt_cd.cd_ndevs) - return(ENXIO); + if (UNIT(dev) >= wdt_cd.cd_ndevs || wdt_cd.cd_devs[UNIT(dev)] == NULL) + return (ENXIO); return(0); } |