ospf6d: upon interface deletion, the area if list may be updated

there are some events where the list of interfaces per area should be
reviewed due to an interface is being removed. This fix avoids having
some memory leak.

Signed-off-by: Philippe Guibert <philippe.guibert@6wind.com>

1 files changed, 13 insertions, 0 deletions

diff --git a/ospf6d/ospf6_area.c b/ospf6d/ospf6_area.c
index 30f0e9e774..76722aad10 100644
--- a/ospf6d/ospf6_area.c
+++ b/ospf6d/ospf6_area.c
@@ -1022,3 +1022,16 @@ void ospf6_area_init(void)
 	install_element(OSPF6_NODE, &area_filter_list_cmd);
 	install_element(OSPF6_NODE, &no_area_filter_list_cmd);
 }
+
+void ospf6_area_interface_delete(struct ospf6_interface *oi)
+{
+	struct ospf6_area *oa;
+	struct listnode *node, *nnode;
+
+	if (!ospf6)
+		return;
+	for (ALL_LIST_ELEMENTS(ospf6->area_list, node, nnode, oa))
+		if(listnode_lookup(oa->if_list, oi))
+			listnode_delete(oa->if_list, oi);
+
+}