don't SEGV on "wiconfig -p 1" (no interface specified).

kame · Mar 26, 2000 · 7ef1c9d · 7ef1c9d
1 parent 61106a4
commit 7ef1c9d
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/netbsd/usr.sbin/wiconfig/wiconfig.c b/netbsd/usr.sbin/wiconfig/wiconfig.c
@@ -225,6 +225,9 @@ void wi_setword(iface, code, word)
 {
 	struct wi_req		wreq;
 
+	if (iface == NULL)
+		errx(1, "must specify interface name");
+
 	bzero((char *)&wreq, sizeof(wreq));
 
 	wreq.wi_type = code;
@@ -472,6 +475,9 @@ static void wi_dumpinfo(iface)
 	int			i, has_wep;
 	struct wi_table		*w;
 
+	if (iface == NULL)
+		errx(1, "must specify interface name");
+
 	bzero((char *)&wreq, sizeof(wreq));
 
 	wreq.wi_len = WI_MAX_DATALEN;