From b77fcef1a5947290203a02de5982cdee68bd370a Mon Sep 17 00:00:00 2001
From: Sylvain Rochet <gradator@gradator.net>
Date: Sun, 26 Jun 2016 21:17:54 +0200
Subject: [PATCH] PPP, L2TP: remove unnecessary l2tp->udp null check

l2tp->udp can't be null here, pppol2tp_create returns a NULL L2TP PCB
if UDP PCB failed to be created. Remove useless null check.
---
 src/netif/ppp/pppol2tp.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/src/netif/ppp/pppol2tp.c b/src/netif/ppp/pppol2tp.c
index c364603e..8e433bb5 100644
--- a/src/netif/ppp/pppol2tp.c
+++ b/src/netif/ppp/pppol2tp.c
@@ -246,9 +246,7 @@ static err_t pppol2tp_destroy(ppp_pcb *ppp, void *ctx) {
   LWIP_UNUSED_ARG(ppp);
 
   sys_untimeout(pppol2tp_timeout, l2tp);
-  if (l2tp->udp != NULL) {
-    udp_remove(l2tp->udp);
-  }
+  udp_remove(l2tp->udp);
   LWIP_MEMPOOL_FREE(PPPOL2TP_PCB, l2tp);
   return ERR_OK;
 }