ping6: fix uninitialized variable warnings when MK_CASPER=no

Submitted by:	Ján Sučan <sucanjan@gmail.com>
MFC after:	2 weeks
Sponsored by:	Google, inc. (Google Summer of Code 2019)
Differential Revision:	https://reviews.freebsd.org/D21273

1 files changed, 6 insertions, 3 deletions

diff --git a/sbin/ping6/ping6.c b/sbin/ping6/ping6.c
index 917503ccf219..6c70a0f33a4d 100644
--- a/sbin/ping6/ping6.c
+++ b/sbin/ping6/ping6.c
@@ -961,6 +961,7 @@ main(int argc, char *argv[])
 	}
 
 	/* From now on we will use only reverse DNS lookups. */
+#ifdef WITH_CASPER
 	if (capdns != NULL) {
 		const char *types[1];
 
@@ -968,7 +969,7 @@ main(int argc, char *argv[])
 		if (cap_dns_type_limit(capdns, types, nitems(types)) < 0)
 			err(1, "unable to limit access to system.dns service");
 	}
-
+#endif
 	if (!(options & F_SRCADDR)) {
 		/*
 		 * get the source address. XXX since we revoked the root
@@ -2780,9 +2781,10 @@ static cap_channel_t *
 capdns_setup(void)
 {
 	cap_channel_t *capcas, *capdnsloc;
+#ifdef WITH_CASPER
 	const char *types[2];
 	int families[1];
-
+#endif
 	capcas = cap_init();
 	if (capcas == NULL)
 		err(1, "unable to create casper process");
@@ -2791,6 +2793,7 @@ capdns_setup(void)
 	cap_close(capcas);
 	if (capdnsloc == NULL)
 		err(1, "unable to open system.dns service");
+#ifdef WITH_CASPER
 	types[0] = "NAME2ADDR";
 	types[1] = "ADDR2NAME";
 	if (cap_dns_type_limit(capdnsloc, types, nitems(types)) < 0)
@@ -2798,6 +2801,6 @@ capdns_setup(void)
 	families[0] = AF_INET6;
 	if (cap_dns_family_limit(capdnsloc, families, nitems(families)) < 0)
 		err(1, "unable to limit access to system.dns service");
-
+#endif
 	return (capdnsloc);
 }