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 d6293e50600af33ed32d199609a088e8779d1608..82c09bc801ffa339958d46912c8901b0eb514b72 100644 (file)
--- 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);