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i386/2427: 2.2-BETA ft driver panics when there're no floppy drives

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Reviewed by:	phk
Submitted by:	hosokawa@jp.FreeBSD.org
This commit is contained in:
Poul-Henning Kamp 1997-01-09 12:50:07 +00:00
parent 4fc96a56f5
commit 2a66b46b42
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=21455
1 changed files with 3 additions and 1 deletions
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4
sys/i386/isa/ft.c
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@ -17,7 +17,7 @@
* POSSIBILITY OF SUCH DAMAGE.
*
* ft.c - QIC-40/80 floppy tape driver
* $Id: ft.c,v 1.27 1996/09/06 23:07:22 phk Exp $
* $Id: ft.c,v 1.28 1996/11/27 22:51:46 phk Exp $
*
* 01/19/95 ++sg
* Cleaned up recalibrate/seek code at attach time for FreeBSD 2.x.
@ -2044,6 +2044,8 @@ 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);