[gdm/rhel-7.9: 8/51] manager: plug leak in maybe_activate_other_session

[Ray Strode <halfline src gnome org>]

commit 0ee00c3abfc418a9fef3a6511b910e7b61ce45c6
Author: Ray Strode <rstrode redhat com>
Date:   Fri Jun 22 14:44:11 2018 -0400

    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
@@ -1421,7 +1421,7 @@ 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),
@@ -1440,6 +1440,8 @@ maybe_activate_other_session (GdmManager *self,
                 if (display == NULL) {
                         activate_login_window_session_on_seat (self, seat_id);
                 }
+
+                g_free (session_id);
         }
 
         g_free (seat_id);