Fix crash.

diff --git a/src/cli.c b/src/cli.c
index 49dd6f9b671adc5d6817924c05f78547fcc37767..313bf9e3441cb283bbabc89e8b8844da00d39ebd 100644 (file)
--- a/src/cli.c
+++ b/src/cli.c
@@ -537,8 +537,9 @@ init_tls_session (const char *hostname)
 #endif
 
 #ifdef ENABLE_OPRFI
-  gnutls_oprfi_enable_client (session, strlen (info.opaque_prf_input),
-                             info.opaque_prf_input);
+  if (info.opaque_prf_input)
+    gnutls_oprfi_enable_client (session, strlen (info.opaque_prf_input),
+                               info.opaque_prf_input);
 #endif
 
   return session;