selftests: netfilter: Fix missing return values in conntrack_dump_flush

Fix the bug of some functions were missing return values.

Fixes: eff3c558bb7e ("netfilter: ctnetlink: support filtering by zone")
Signed-off-by: Guan Jing <guanjing@cmss.chinamobile.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

diff --git a/tools/testing/selftests/net/netfilter/conntrack_dump_flush.c b/tools/testing/selftests/net/netfilter/conntrack_dump_flush.c
index 254ff03297f06c16296201191cb2815ce47e0907..5f827e10717d190ef22eb93d010eefb1c5f7af68 100644 (file)
--- a/tools/testing/selftests/net/netfilter/conntrack_dump_flush.c
+++ b/tools/testing/selftests/net/netfilter/conntrack_dump_flush.c
@@ -43,6 +43,8 @@ static int build_cta_tuple_v4(struct nlmsghdr *nlh, int type,
        mnl_attr_nest_end(nlh, nest_proto);
 
        mnl_attr_nest_end(nlh, nest);
+
+       return 0;
 }
 
 static int build_cta_tuple_v6(struct nlmsghdr *nlh, int type,
@@ -71,6 +73,8 @@ static int build_cta_tuple_v6(struct nlmsghdr *nlh, int type,
        mnl_attr_nest_end(nlh, nest_proto);
 
        mnl_attr_nest_end(nlh, nest);
+
+       return 0;
 }
 
 static int build_cta_proto(struct nlmsghdr *nlh)
@@ -90,6 +94,8 @@ static int build_cta_proto(struct nlmsghdr *nlh)
        mnl_attr_nest_end(nlh, nest_proto);
 
        mnl_attr_nest_end(nlh, nest);
+
+       return 0;
 }
 
 static int conntrack_data_insert(struct mnl_socket *sock, struct nlmsghdr *nlh,