From f4fbc90217be9a5c676f76c297d33a5c84298fd3 Mon Sep 17 00:00:00 2001
From: Dirk Ziegelmeier <dirk@ziegelmeier.net>
Date: Sat, 5 Mar 2016 00:03:13 +0100
Subject: [PATCH] netifapi: Do not pass NULL pointers for IP addresses to
 subsequent functions Same as in my last commits - this avoids errors in lwIP
 code where ip addresses are dereferenced (e.g. for IP type checking) without
 handling thinking about NULL pointers.

---
 src/api/netifapi.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/api/netifapi.c b/src/api/netifapi.c
index 7fd92591..4f1ca5f1 100644
--- a/src/api/netifapi.c
+++ b/src/api/netifapi.c
@@ -114,7 +114,7 @@ netifapi_netif_add(struct netif *netif,
   err_t err;
   NETIFAPI_VAR_DECLARE(msg);
   NETIFAPI_VAR_ALLOC(msg);
-#if LWIP_MPU_COMPATIBLE
+
   if (ipaddr == NULL) {
     ipaddr = IP4_ADDR_ANY;
   }
@@ -124,7 +124,7 @@ netifapi_netif_add(struct netif *netif,
   if (gw == NULL) {
     gw = IP4_ADDR_ANY;
   }
-#endif /* LWIP_MPU_COMPATIBLE */
+
   NETIFAPI_VAR_REF(msg).function = netifapi_do_netif_add;
   NETIFAPI_VAR_REF(msg).msg.netif = netif;
 #if LWIP_IPV4
@@ -158,7 +158,7 @@ netifapi_netif_set_addr(struct netif *netif,
   err_t err;
   NETIFAPI_VAR_DECLARE(msg);
   NETIFAPI_VAR_ALLOC(msg);
-#if LWIP_MPU_COMPATIBLE
+
   if (ipaddr == NULL) {
     ipaddr = IP4_ADDR_ANY;
   }
@@ -168,7 +168,7 @@ netifapi_netif_set_addr(struct netif *netif,
   if (gw == NULL) {
     gw = IP4_ADDR_ANY;
   }
-#endif /* LWIP_MPU_COMPATIBLE */
+
   NETIFAPI_VAR_REF(msg).function = netifapi_do_netif_set_addr;
   NETIFAPI_VAR_REF(msg).msg.netif = netif;
   NETIFAPI_VAR_REF(msg).msg.msg.add.ipaddr  = NETIFAPI_VAR_REF(ipaddr);