From: Wayne Keenan <WayneKeenan@users.noreply.github.com>
Date: Mon, 30 Apr 2018 07:03:35 +0000 (+0100)
Subject: Fix potential NULL pointer dereference crash.
X-Git-Tag: v3.1-beta1~183^2
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=be707f1c6b0a196489c98508f203abe6a0ca21e2;p=esp-idf

Fix potential NULL pointer dereference crash.
---

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");
         }