From 856b0c32606a8fb0de3010118881d4b16e66e9e8 Mon Sep 17 00:00:00 2001
From: Dirk Ziegelmeier <dirk@ziegelmeier.net>
Date: Mon, 9 Oct 2017 12:27:52 +0200
Subject: [PATCH] Fix bug #52189: list add and remove bug in <lwiperf.c> Apply
 patch from xuyao hong

---
 src/apps/lwiperf/lwiperf.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/src/apps/lwiperf/lwiperf.c b/src/apps/lwiperf/lwiperf.c
index 2a5e350a..0304957b 100644
--- a/src/apps/lwiperf/lwiperf.c
+++ b/src/apps/lwiperf/lwiperf.c
@@ -167,11 +167,8 @@ static void lwiperf_tcp_err(void *arg, err_t err);
 static void
 lwiperf_list_add(lwiperf_state_base_t *item)
 {
-  if (lwiperf_all_connections == NULL) {
-    lwiperf_all_connections = item;
-  } else {
-    item = lwiperf_all_connections;
-  }
+  item->next = lwiperf_all_connections;
+  lwiperf_all_connections = item;
 }
 
 /** Remove an iperf session from the 'active' list */
@@ -185,7 +182,7 @@ lwiperf_list_remove(lwiperf_state_base_t *item)
       if (prev == NULL) {
         lwiperf_all_connections = iter->next;
       } else {
-        prev->next = item;
+        prev->next = iter->next;
       }
       /* @debug: ensure this item is listed only once */
       for (iter = iter->next; iter != NULL; iter = iter->next) {