[PATCH libnftnl] set_elem: nftnl_set_elems_parse() returns 0 if set is empty

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Instead of -1, which results n misleading error propagate to the caller
with errno == 0 (success).

Signed-off-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
---
 src/set_elem.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/set_elem.c b/src/set_elem.c
index e02a38791c9a..1ac53dadbb75 100644
--- a/src/set_elem.c
+++ b/src/set_elem.c
@@ -490,7 +490,7 @@ nftnl_set_elem_list_parse_attr_cb(const struct nlattr *attr, void *data)
 static int nftnl_set_elems_parse(struct nftnl_set *s, const struct nlattr *nest)
 {
 	struct nlattr *attr;
-	int ret = -1;
+	int ret = 0;
 
 	mnl_attr_for_each_nested(attr, nest) {
 		if (mnl_attr_get_type(attr) != NFTA_LIST_ELEM)
-- 
2.11.0

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