fix a bug

diff --git a/sys/arch/i386/stand/libsa/biosdev.c b/sys/arch/i386/stand/libsa/biosdev.c
index e6ee0ed..ce08621 100644 (file)
--- a/sys/arch/i386/stand/libsa/biosdev.c
+++ b/sys/arch/i386/stand/libsa/biosdev.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: biosdev.c,v 1.9 1997/04/18 01:28:01 mickey Exp $      */
+/*     $OpenBSD: biosdev.c,v 1.10 1997/04/18 04:23:51 mickey Exp $     */
 
 /*
  * Copyright (c) 1996 Michael Shalayeff
@@ -279,7 +279,7 @@ biosstrategy(void *devdata, int rw,
 #endif
 
        /* handle floppies w/ different from drive geometry */
-       if (!(bd->biosdev & 0x80))
+       if (!(bd->biosdev & 0x80) && bd->disklabel.d_nsectors != 0)
                spt = bd->disklabel.d_nsectors;
        else
                spt = BIOSNSECTS(bd->dinfo);