K 10 svn:author V 3 bde K 8 svn:date V 27 1998-10-25T19:26:18.000000Z K 7 svn:log V 209 Don't follow null bdevsw pointers. The `major(dev) < nblkdev' test rotted when bdevsw[] became sparse. We still depend on magic to avoid having to check that (v_rdev) device numbers in vnodes are not NODEV. END