From f1bd63046e0157769f1fa78140ea6028dcfa3d3c Mon Sep 17 00:00:00 2001
From: Simon Goldschmidt <goldsimon@gmx.de>
Date: Wed, 10 Jul 2019 21:55:28 +0200
Subject: [PATCH] api_lib: fix duplicate NULL check with sys_sem_valid()

---
 src/api/api_lib.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/api/api_lib.c b/src/api/api_lib.c
index acf6736a..ffa14d65 100644
--- a/src/api/api_lib.c
+++ b/src/api/api_lib.c
@@ -1346,7 +1346,7 @@ void
 netconn_thread_init(void)
 {
   sys_sem_t *sem = LWIP_NETCONN_THREAD_SEM_GET();
-  if ((sem == NULL) || !sys_sem_valid(sem)) {
+  if (!sys_sem_valid(sem)) {
     /* call alloc only once */
     LWIP_NETCONN_THREAD_SEM_ALLOC();
     LWIP_ASSERT("LWIP_NETCONN_THREAD_SEM_ALLOC() failed", sys_sem_valid(LWIP_NETCONN_THREAD_SEM_GET()));
@@ -1357,7 +1357,7 @@ void
 netconn_thread_cleanup(void)
 {
   sys_sem_t *sem = LWIP_NETCONN_THREAD_SEM_GET();
-  if ((sem != NULL) && sys_sem_valid(sem)) {
+  if (sys_sem_valid(sem)) {
     /* call free only once */
     LWIP_NETCONN_THREAD_SEM_FREE();
   }