Index: if_wi.c
===================================================================
RCS file: /home/ncvs/src/sys/dev/wi/if_wi.c,v
retrieving revision 1.118
diff -u -r1.118 if_wi.c
--- if_wi.c	14 Nov 2002 23:54:55 -0000	1.118
+++ if_wi.c	23 Dec 2002 23:25:32 -0000
@@ -1736,6 +1736,9 @@
 		}
 #ifdef WICACHE
 		else if (wreq.wi_type == WI_RID_ZERO_CACHE) {
+			error = suser(td);
+			if (error)
+				break;
 			sc->wi_sigitems = sc->wi_nextitem = 0;
 		} else if (wreq.wi_type == WI_RID_READ_CACHE) {
 			char *pt = (char *)&wreq.wi_val;