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Do not clobber "heads" by &= in wdcommand use only &.

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Spotted by: bde
This commit is contained in:
sos 1998-04-10 08:00:24 +00:00
parent 5baccad631
commit a2dbd182f5
1 changed files with 2 additions and 2 deletions
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4
sys/i386/isa/wd.c
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@ -34,7 +34,7 @@
* SUCH DAMAGE.
*
* from: @(#)wd.c 7.2 (Berkeley) 5/9/91
* $Id: wd.c,v 1.153 1998/04/08 20:04:36 sos Exp $
* $Id: wd.c,v 1.154 1998/04/09 17:46:45 sos Exp $
*/
/* TODO:
@ -1574,7 +1574,7 @@ wdcommand(struct disk *du, u_int cylinder, u_int head, u_int sector,
outb(wdc + wd_cyl_lo, cylinder);
outb(wdc + wd_cyl_hi, cylinder >> 8);
outb(wdc + wd_sdh, WDSD_IBM | (du->dk_unit << 4) | head);
if (head &= WDSD_LBA)
if (head & WDSD_LBA)
outb(wdc + wd_sector, sector);
else
outb(wdc + wd_sector, sector + 1);