From a24e4b21ee33d8307e25ce609c7333ef0ca5811c Mon Sep 17 00:00:00 2001 From: Pablo Neira Ayuso Date: Tue, 4 Oct 2016 08:48:37 +0200 Subject: set_elem: don't add NFTA_SET_ELEM_LIST_ELEMENTS attribute if set is empty If the set is empty, don't send an empty NFTA_SET_ELEM_LIST_ELEMENTS netlink attributes with no elements. Signed-off-by: Pablo Neira Ayuso --- src/set_elem.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'src') diff --git a/src/set_elem.c b/src/set_elem.c index 46fb7c6..4d2b4f6 100644 --- a/src/set_elem.c +++ b/src/set_elem.c @@ -304,6 +304,9 @@ void nftnl_set_elems_nlmsg_build_payload(struct nlmsghdr *nlh, struct nftnl_set nftnl_set_elem_nlmsg_build_def(nlh, s); + if (list_empty(&s->element_list)) + return; + nest1 = mnl_attr_nest_start(nlh, NFTA_SET_ELEM_LIST_ELEMENTS); list_for_each_entry(elem, &s->element_list, head) nftnl_set_elem_build(nlh, elem, ++i); -- cgit v1.2.3