diff options
Diffstat (limited to 'sys/dev')
| -rw-r--r-- | sys/dev/pci/brooktree848.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/sys/dev/pci/brooktree848.c b/sys/dev/pci/brooktree848.c index 66481bd811e..aff7daa859b 100644 --- a/sys/dev/pci/brooktree848.c +++ b/sys/dev/pci/brooktree848.c @@ -1,4 +1,4 @@ -/* $OpenBSD: brooktree848.c,v 1.11 1999/08/05 21:18:42 niklas Exp $ */ +/* $OpenBSD: brooktree848.c,v 1.12 1999/10/31 20:50:04 deraadt Exp $ */ /* $Roger: brooktree848.c,v 1.85 1999/06/12 14:54:54 roger Exp $ */ /* BT848 Driver for Brooktree's Bt848, Bt848A, Bt849A, Bt878, Bt879 based cards. @@ -8448,11 +8448,15 @@ bktr_open( dev_t dev, int flags, int fmt, struct proc *p ) int unit; unit = UNIT( minor(dev) ); - if (unit >= NBKTR) /* unit out of range */ + if (unit >= NBKTR || unit > bktr_cd.cd_ndevs) /* unit out of range */ return( ENXIO ); - bktr = bktr_cd.cd_devs[unit]; + if (bktr_cd.cd_devs == NULL) + return( ENXIO ); + bktr = bktr_cd.cd_devs[unit]; + if (bktr == NULL) + return ( ENXIO ); if (!(bktr->flags & METEOR_INITALIZED)) /* device not found */ return( ENXIO ); |