From: Daniel Stenberg <daniel@haxx.se>
Date: Sat, 21 Mar 2015 15:47:22 +0000 (+0100)
Subject: gtls: dereferencing NULL pointer
X-Git-Tag: curl-7_42_0~109
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=fea13a17d849e6db94c553811423aa98017a2c77;p=curl

gtls: dereferencing NULL pointer

Coverity CID 1291165 pointed out 'chainp' could be dereferenced when
NULL if gnutls_certificate_get_peers() had previously failed.
---

diff --git a/lib/vtls/gtls.c b/lib/vtls/gtls.c
index d6293e506..82c09bc80 100644
--- a/lib/vtls/gtls.c
+++ b/lib/vtls/gtls.c
@@ -838,7 +838,7 @@ gtls_connect_step3(struct connectdata *conn,
     infof(data, "\t common name: WARNING couldn't obtain\n");
   }
 
-  if(data->set.ssl.certinfo) {
+  if(data->set.ssl.certinfo && chainp) {
     unsigned int i;
 
     result = Curl_ssl_init_certinfo(data, cert_list_size);