From: Felix Fietkau <nbd@nbd.name>
Date: Wed, 28 Jul 2021 05:43:29 +0200
Subject: [PATCH] ndisc_snoop: call dl_list_del before freeing ipv6 addresses

Fixes a segmentation fault on sta disconnect

Signed-off-by: Felix Fietkau <nbd@nbd.name>
---

--- a/src/ap/ndisc_snoop.c
+++ b/src/ap/ndisc_snoop.c
@@ -61,6 +61,7 @@ void sta_ip6addr_del(struct hostapd_data
 	dl_list_for_each_safe(ip6addr, prev, &sta->ip6addr, struct ip6addr,
 			      list) {
 		hostapd_drv_br_delete_ip_neigh(hapd, 6, (u8 *) &ip6addr->addr);
+		dl_list_del(&ip6addr->list);
 		os_free(ip6addr);
 	}
 }