[gnome-software] trivial: Don't throw a warning if we try to autenticate twice

[Richard Hughes <rhughes src gnome org>]

commit 0260da2e9a685f6f2fe271f5541d7b34728185f2
Author: Richard Hughes <richard hughsie com>
Date:   Wed Sep 7 15:13:50 2016 +0100

    trivial: Don't throw a warning if we try to autenticate twice

 src/plugins/gs-plugin-dummy.c |   23 +++++++----------------
 1 files changed, 7 insertions(+), 16 deletions(-)
---
diff --git a/src/plugins/gs-plugin-dummy.c b/src/plugins/gs-plugin-dummy.c
index d2ded6f..cb353f4 100644
--- a/src/plugins/gs-plugin-dummy.c
+++ b/src/plugins/gs-plugin-dummy.c
@@ -704,14 +704,9 @@ gs_plugin_auth_login (GsPlugin *plugin, GsAuth *auth,
                       gs_auth_get_provider_id (priv->auth)) != 0)
                return TRUE;
 
-       /* already done */
-       if (priv->has_auth) {
-               g_set_error (error,
-                            GS_PLUGIN_ERROR,
-                            GS_PLUGIN_ERROR_FAILED,
-                            "authentication already done");
-               return FALSE;
-       }
+       /* already logged in */
+       if (priv->has_auth)
+               return TRUE;
 
        /* check username and password */
        if (g_strcmp0 (gs_auth_get_username (priv->auth), "dummy") != 0 ||
@@ -740,14 +735,10 @@ gs_plugin_auth_logout (GsPlugin *plugin, GsAuth *auth,
                       gs_auth_get_provider_id (priv->auth)) != 0)
                return TRUE;
 
-       /* not done */
-       if (!priv->has_auth) {
-               g_set_error (error,
-                            GS_PLUGIN_ERROR,
-                            GS_PLUGIN_ERROR_FAILED,
-                            "authentication not already done");
-               return FALSE;
-       }
+       /* not logged in */
+       if (!priv->has_auth)
+               TRUE;
+
        priv->has_auth = FALSE;
        gs_auth_set_flags (priv->auth, 0);
        g_debug ("dummy now not authenticated");