expr: add nftnl_rule_del_expr()

Add a function to remove expression from the rule list.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

2 files changed, 7 insertions, 0 deletions

diff --git a/src/libnftnl.map b/src/libnftnl.map
index 7937e05..2d35ace 100644
--- a/src/libnftnl.map
+++ b/src/libnftnl.map
@@ -372,4 +372,5 @@ LIBNFTNL_14 {
 LIBNFTNL_15 {
   nftnl_obj_get_data;
   nftnl_expr_build_payload;
+  nftnl_rule_del_expr;
 } LIBNFTNL_14;
diff --git a/src/rule.c b/src/rule.c
index 8d7e068..480afc8 100644
--- a/src/rule.c
+++ b/src/rule.c
@@ -330,6 +330,12 @@ void nftnl_rule_add_expr(struct nftnl_rule *r, struct nftnl_expr *expr)
 	list_add_tail(&expr->head, &r->expr_list);
 }
 
+EXPORT_SYMBOL(nftnl_rule_del_expr);
+void nftnl_rule_del_expr(struct nftnl_expr *expr)
+{
+	list_del(&expr->head);
+}
+
 static int nftnl_rule_parse_attr_cb(const struct nlattr *attr, void *data)
 {
 	const struct nlattr **tb = data;