From de3e942f4b9e50b82640dc1e2dd5a32d86231a79 Mon Sep 17 00:00:00 2001
From: yuanjm <yuanjianmin@espressif.com>
Date: Wed, 16 Sep 2020 11:08:10 +0800
Subject: [PATCH] fix(dhcp): Fix dhcp renew fail in t1 and will renew ip in t2
 every 1s util renew successful.

---
 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 e8306bfa..b519ae90 100644
--- a/src/core/ipv4/dhcp.c
+++ b/src/core/ipv4/dhcp.c
@@ -542,6 +542,11 @@ dhcp_timeout(struct netif *netif)
       dhcp_discover(netif);
     }
   }
+#if ESP_DHCP
+  else if (dhcp->state == DHCP_STATE_REBINDING) {
+    dhcp->t2_rebind_time = 1;
+  }
+#endif
 }
 
 /**