back it out properly

diff --git a/sys/kern/subr_autoconf.c b/sys/kern/subr_autoconf.c
index 7720389..2c0964c 100644 (file)
--- a/sys/kern/subr_autoconf.c
+++ b/sys/kern/subr_autoconf.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: subr_autoconf.c,v 1.82 2015/01/19 22:58:53 deraadt Exp $      */
+/*     $OpenBSD: subr_autoconf.c,v 1.83 2015/01/19 23:01:07 deraadt Exp $      */
 /*     $NetBSD: subr_autoconf.c,v 1.21 1996/04/04 06:06:18 cgd Exp $   */
 
 /*
@@ -935,8 +935,6 @@ device_ref(struct device *dv)
 void
 device_unref(struct device *dv)
 {
-       struct cfattach *ca = dv->dv_cfdata->cf_attach;
-
        dv->dv_ref--;
        if (dv->dv_ref == 0) {
                free(dv, M_DEVBUF, 0);