K 10 svn:author V 3 alc K 8 svn:date V 27 2000-07-19T09:18:48.000000Z K 7 svn:log V 244 MFC: [rev 1.66] If devclass_alloc_unit() is called with a wired unit #, and this # is busy, only search upwards for a free slot to use. This broke unit numbering on ATA systems where PCI attached controllers come before the mainboard ones. END