From 82006d15b70842d2b1ad7d47d9490e315436cb5f Mon Sep 17 00:00:00 2001
From: Ray Strode <rstrode@redhat.com>
Date: Fri, 22 Jun 2018 14:44:11 -0400
Subject: [PATCH 1/6] manager: plug leak in maybe_activate_other_session

The function asks logind what the currently active session is on the
given seat.  It then leaks the response.

This commit plugs the leak.
---
 daemon/gdm-manager.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/daemon/gdm-manager.c b/daemon/gdm-manager.c
index 7539acf11..129cc0de4 100644
--- a/daemon/gdm-manager.c
+++ b/daemon/gdm-manager.c
@@ -1394,79 +1394,81 @@ get_login_window_session_id (const char  *seat_id,
 out:
         if (sessions) {
                 for (i = 0; sessions[i]; i ++) {
                         free (sessions[i]);
                 }
 
                 free (sessions);
         }
 
         return ret;
 }
 
 static void
 activate_login_window_session_on_seat (GdmManager *self,
                                        const char *seat_id)
 {
         char *session_id;
 
         if (!get_login_window_session_id (seat_id, &session_id)) {
                 return;
         }
 
         activate_session_id (self, seat_id, session_id);
 }
 
 static void
 maybe_activate_other_session (GdmManager *self,
                               GdmDisplay *old_display)
 {
         char *seat_id = NULL;
-        char *session_id;
+        char *session_id = NULL;
         int ret;
 
         g_object_get (G_OBJECT (old_display),
                       "seat-id", &seat_id,
                       NULL);
 
         ret = sd_seat_get_active (seat_id, &session_id, NULL);
 
         if (ret == 0) {
                 GdmDisplay *display;
 
                 display = gdm_display_store_find (self->priv->display_store,
                                                   lookup_by_session_id,
                                                   (gpointer) session_id);
 
                 if (display == NULL) {
                         activate_login_window_session_on_seat (self, seat_id);
                 }
+
+                g_free (session_id);
         }
 
         g_free (seat_id);
 }
 
 static const char *
 get_username_for_greeter_display (GdmManager *manager,
                                   GdmDisplay *display)
 {
         gboolean doing_initial_setup = FALSE;
 
         g_object_get (G_OBJECT (display),
                       "doing-initial-setup", &doing_initial_setup,
                       NULL);
 
         if (doing_initial_setup) {
                 return INITIAL_SETUP_USERNAME;
         } else {
                 return GDM_USERNAME;
         }
 }
 
 static void
 set_up_automatic_login_session (GdmManager *manager,
                                 GdmDisplay *display)
 {
         GdmSession *session;
         char       *display_session_type = NULL;
         gboolean is_initial;
 
-- 
2.19.0