From bc4473b275cc019295bdf89369eec50d198fd8cb Mon Sep 17 00:00:00 2001
From: goldsimon <goldsimon@gmx.de>
Date: Tue, 18 Aug 2015 11:13:38 +0200
Subject: [PATCH] Fixed that netconn_thread_cleanup() did not call
 LWIP_NETCONN_THREAD_SEM_FREE() (!= vs ==)

---
 src/api/api_lib.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/api/api_lib.c b/src/api/api_lib.c
index e7cadb69..21db1355 100644
--- a/src/api/api_lib.c
+++ b/src/api/api_lib.c
@@ -880,7 +880,7 @@ void netconn_thread_init(void)
 void netconn_thread_cleanup(void)
 {
   sys_sem_t *sem = LWIP_NETCONN_THREAD_SEM_GET();
-  if (sem == SYS_SEM_NULL) {
+  if (sem != SYS_SEM_NULL) {
     /* call free only once */
     LWIP_NETCONN_THREAD_SEM_FREE();
   }