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Avoid negative numbers in dev_t manipulation. This should fix recent MFS

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related crashes.
This commit is contained in:
Luoqi Chen 1999-05-18 13:14:43 +00:00
parent 0f3563b68a
commit 519566d2e3
1 changed files with 3 additions and 3 deletions
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6
sys/kern/kern_conf.c
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@ -30,7 +30,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: kern_conf.c,v 1.38 1999/05/12 11:06:45 phk Exp $
* $Id: kern_conf.c,v 1.39 1999/05/12 13:06:34 phk Exp $
*/
#include <sys/param.h>
@ -182,7 +182,7 @@ major(dev_t x)
uintptr_t i = (uintptr_t)x;
#ifdef DEVT_FASCIST
return(253 - ((i >> 8) & 0xff));
return(255 - ((i >> 8) & 0xff));
#else
return((i >> 8) & 0xff);
#endif
@ -200,7 +200,7 @@ dev_t
makedev(int x, int y)
{
#ifdef DEVT_FASCIST
return ((dev_t) (((253 - x) << 8) | y));
return ((dev_t) (((255 - x) << 8) | y));
#else
return ((dev_t) ((x << 8) | y));
#endif