From 95710c4276b4429ca50cd23a1007e381a0dd48f3 Mon Sep 17 00:00:00 2001
From: xueyunfei <xueyunfei@espressif.com>
Date: Mon, 26 Oct 2020 16:21:29 +0800
Subject: [PATCH] fix(dhcp): Fix dhcp renew fail in t1 and will renew ip in t2
 every 1s util renew successful.(backport 2.0.3)

---
 src/core/ipv4/dhcp.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/core/ipv4/dhcp.c b/src/core/ipv4/dhcp.c
index a749d770..411670fa 100644
--- a/src/core/ipv4/dhcp.c
+++ b/src/core/ipv4/dhcp.c
@@ -540,6 +540,11 @@ dhcp_timeout(struct netif *netif)
       dhcp_discover(netif);
     }
   }
+#if ESP_DHCP
+  else if (dhcp->state == DHCP_STATE_REBINDING) {
+    dhcp->t2_rebind_time = 1;
+  }
+#endif
 }
 
 /**