Simplify cdevsw registration.

The cdevsw_add() function now finds the major number(s) in the
struct cdevsw passed to it.  cdevsw_add_generic() is no longer
needed, cdevsw_add() does the same thing.

cdevsw_add() will print an message if the d_maj field looks bogus.

Remove nblkdev and nchrdev variables.  Most places they were used
bogusly.  Instead check a dev_t for validity by seeing if devsw()
or bdevsw() returns NULL.

Move bdevsw() and devsw() functions to kern/kern_conf.c

Bump __FreeBSD_version to 400006

This commit removes:
        72 bogus makedev() calls
        26 bogus SYSINIT functions

if_xe.c bogusly accessed cdevsw[], author/maintainer please fix.

I4b and vinum not changed.  Patches emailed to authors.  LINT
probably broken until they catch up.

1 files changed, 2 insertions, 8 deletions

diff --git a/sys/i386/isa/wfd.c b/sys/i386/isa/wfd.c
index d03a201..d053cb8 100644
--- a/sys/i386/isa/wfd.c
+++ b/sys/i386/isa/wfd.c
@@ -23,7 +23,7 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
- *      $Id: wfd.c,v 1.23 1999/05/07 07:03:31 phk Exp $
+ *      $Id: wfd.c,v 1.24 1999/05/30 16:52:30 phk Exp $
  */
 
 /*
@@ -765,17 +765,11 @@ static int wfd_eject (struct wfd *t, int closeit)
 		0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0);
 }
 
-static int wfd_devsw_installed;
-
 static void 	wfd_drvinit(void *unused)
 {
-	if( ! wfd_devsw_installed ) {
-		cdevsw_add_generic(BDEV_MAJOR, CDEV_MAJOR, &wfd_cdevsw);
-		wfd_devsw_installed = 1;
-    	}
+	cdevsw_add(&wfd_cdevsw);
 }
 
 SYSINIT(wfddev,SI_SUB_DRIVERS,SI_ORDER_MIDDLE+CDEV_MAJOR,wfd_drvinit,NULL)
 
-
 #endif /* NWFD && NWDC */