* [PATCH libnftnl] set_elem: nftnl_set_elems_nlmsg_build_payload_iter()
@ 2016-12-05 22:36 Pablo Neira Ayuso
0 siblings, 0 replies; only message in thread
From: Pablo Neira Ayuso @ 2016-12-05 22:36 UTC (permalink / raw)
To: netfilter-devel
Similar to a24e4b21ee33 ("set_elem: don't add NFTA_SET_ELEM_LIST_ELEMENTS
attribute if set is empty"). This is required by the set flush support.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
src/set_elem.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/src/set_elem.c b/src/set_elem.c
index 4d2b4f6074b7..083c597e2f8e 100644
--- a/src/set_elem.c
+++ b/src/set_elem.c
@@ -813,6 +813,10 @@ int nftnl_set_elems_nlmsg_build_payload_iter(struct nlmsghdr *nlh,
nftnl_set_elem_nlmsg_build_def(nlh, iter->set);
+ /* This set is empty, don't add an empty list element nest. */
+ if (list_empty(&iter->set->element_list))
+ return ret;
+
nest1 = mnl_attr_nest_start(nlh, NFTA_SET_ELEM_LIST_ELEMENTS);
elem = nftnl_set_elems_iter_next(iter);
while (elem != NULL) {
--
2.1.4
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2016-12-05 22:36 [PATCH libnftnl] set_elem: nftnl_set_elems_nlmsg_build_payload_iter() Pablo Neira Ayuso
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