diff options
| -rw-r--r-- | sys/pc98/pc98/ft.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/sys/pc98/pc98/ft.c b/sys/pc98/pc98/ft.c index 5f3efa9b716b..be5ea7329677 100644 --- a/sys/pc98/pc98/ft.c +++ b/sys/pc98/pc98/ft.c @@ -17,7 +17,7 @@ * POSSIBILITY OF SUCH DAMAGE. * * ft.c - QIC-40/80 floppy tape driver - * $Id: ft.c,v 1.6 1996/11/02 10:39:25 asami Exp $ + * $Id: ft.c,v 1.7 1996/12/04 04:20:45 asami Exp $ * * 01/19/95 ++sg * Cleaned up recalibrate/seek code at attach time for FreeBSD 2.x. @@ -2119,6 +2119,8 @@ ftopen(dev_t dev, int arg2) { /* check bounds */ if (ftu >= NFT) return(ENXIO); + if (!ft_data[ftu]) + return(ENXIO); fdc = ft_data[ftu]->fdc; if ((fdc == NULL) || (ft_data[ftu]->type == NO_TYPE)) return(ENXIO); |