Only set GTLS errors when errors have occurred

https://bugzilla.gnome.org/show_bug.cgi?id=648687

diff --git a/tls/gnutls/gtlsconnection-gnutls.c b/tls/gnutls/gtlsconnection-gnutls.c
index d9ba322..5b15910 100644 (file)
--- a/tls/gnutls/gtlsconnection-gnutls.c
+++ b/tls/gnutls/gtlsconnection-gnutls.c
@@ -527,7 +527,7 @@ end_gnutls_io (GTlsConnectionGnutls  *gnutls,
             ret == GNUTLS_E_WARNING_ALERT_RECEIVED) && \
            !gnutls->priv->error);                      \
   ret = end_gnutls_io (gnutls, ret, error);            \
-  if (ret && error && !*error)                         \
+  if (ret < 0 && error && !*error)                     \
     {                                                  \
       g_set_error (error, G_TLS_ERROR, G_TLS_ERROR_MISC,\
                    errmsg, gnutls_strerror (ret));     \