From 919dc2019ae9f8eeb1139e5419bbd7d95b435402 Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@ingics.com>
Date: Fri, 14 May 2021 13:48:43 +0800
Subject: [PATCH] acd: Fix updating prev pointer in acd_remove

Fixes: 3a788b6e8b4b ("dhcp: remove acd handle when stopping dhcp")
Signed-off-by: Axel Lin <axel.lin@ingics.com>
---
 src/core/ipv4/acd.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/core/ipv4/acd.c b/src/core/ipv4/acd.c
index a4af62e1..2c7d867c 100644
--- a/src/core/ipv4/acd.c
+++ b/src/core/ipv4/acd.c
@@ -164,6 +164,7 @@ acd_remove(struct netif *netif, struct acd *acd)
       }
       return;
     }
+    prev = acd2;
   }
   LWIP_ASSERT(("acd_remove(): acd not on list\n"), 0);
 }