K 10 svn:author V 3 imp K 8 svn:date V 27 2009-05-13T14:43:26.742035Z K 7 svn:log V 223 ifp->if_softc is managed entirely by the driver. We never set it to NULL or change it. We initialize it before we set if_ioctl. It can therefore never be NULL, and most other drivers don't bother with this sanity check. END