From be707f1c6b0a196489c98508f203abe6a0ca21e2 Mon Sep 17 00:00:00 2001
From: Wayne Keenan <WayneKeenan@users.noreply.github.com>
Date: Mon, 30 Apr 2018 08:03:35 +0100
Subject: [PATCH] Fix potential NULL pointer dereference crash.

---
 examples/protocols/mdns/main/mdns_example_main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/examples/protocols/mdns/main/mdns_example_main.c b/examples/protocols/mdns/main/mdns_example_main.c
index 44984c2682..fb805545ab 100755
--- a/examples/protocols/mdns/main/mdns_example_main.c
+++ b/examples/protocols/mdns/main/mdns_example_main.c
@@ -137,7 +137,7 @@ static void mdns_print_results(mdns_result_t * results){
         if(r->txt_count){
             printf("  TXT : [%u] ", r->txt_count);
             for(t=0; t<r->txt_count; t++){
-                printf("%s=%s; ", r->txt[t].key, r->txt[t].value);
+                printf("%s=%s; ", r->txt[t].key, r->txt[t].value?r->txt[t].value:"NULL");
             }
             printf("\n");
         }