From d21835a61f5a39585c5fc6f176b88b4dbf60587e Mon Sep 17 00:00:00 2001
From: Adam Dunkels <adam@thingsquare.com>
Date: Tue, 2 Dec 2014 11:06:22 +0100
Subject: [PATCH] Don't do the debug printout if ipaddr is NULL

---
 core/net/ip/resolv.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/core/net/ip/resolv.c b/core/net/ip/resolv.c
index 8ada86897..5df53ecac 100644
--- a/core/net/ip/resolv.c
+++ b/core/net/ip/resolv.c
@@ -1380,7 +1380,8 @@ resolv_lookup(const char *name, uip_ipaddr_t ** ipaddr)
 
 #if VERBOSE_DEBUG
   switch (ret) {
-  case RESOLV_STATUS_CACHED:{
+  case RESOLV_STATUS_CACHED:
+    if(ipaddr) {
       PRINTF("resolver: Found \"%s\" in cache.\n", name);
       const uip_ipaddr_t *addr = *ipaddr;