From 909a780e81b757f8ec8040a67a5b31323e3571b6 Mon Sep 17 00:00:00 2001
From: xiehang <xiehang@espressif.com>
Date: Wed, 6 Mar 2019 20:13:53 +0800
Subject: [PATCH] fix the bug in auto Ip memory leak

---
 components/lwip/core/ipv4/autoip.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/components/lwip/core/ipv4/autoip.c b/components/lwip/core/ipv4/autoip.c
index f27d28aa2..92f5e22ca 100755
--- a/components/lwip/core/ipv4/autoip.c
+++ b/components/lwip/core/ipv4/autoip.c
@@ -383,6 +383,7 @@ autoip_stop(struct netif *netif)
     if (ip4_addr_islinklocal(netif_ip4_addr(netif))) {
       netif_set_addr(netif, IP4_ADDR_ANY, IP4_ADDR_ANY, IP4_ADDR_ANY);
     }
+    mem_free(netif->autoip);
   }
   return ERR_OK;
 }