[gdm/benzea/wait-seat-graphical: 2/5] daemon, common, libgdm: Drop use of sd_seat_can_multi_session

[Ray Strode <halfline src gnome org>]

commit de7df6f24aee51fe89bab096f784e22578a83cbb
Author: Ray Strode <rstrode redhat com>
Date:   Thu Feb 25 12:41:36 2021 -0500

    daemon,common,libgdm: Drop use of sd_seat_can_multi_session
    
    It's deprecated now, and always returns TRUE.

 common/gdm-common.c                | 18 ------------------
 daemon/gdm-local-display-factory.c |  2 +-
 libgdm/gdm-user-switching.c        | 18 ------------------
 3 files changed, 1 insertion(+), 37 deletions(-)
---
diff --git a/common/gdm-common.c b/common/gdm-common.c
index 2e9114f20..bf8364a89 100644
--- a/common/gdm-common.c
+++ b/common/gdm-common.c
@@ -512,24 +512,6 @@ goto_login_session (GDBusConnection  *connection,
                 return FALSE;
         }
 
-        res = sd_seat_can_multi_session (seat_id);
-        if (res < 0) {
-                free (seat_id);
-
-                g_debug ("failed to determine whether seat can do multi session: %s", strerror (-res));
-                g_set_error (error, GDM_COMMON_ERROR, 0, _("The system is unable to determine whether to 
switch to an existing login screen or start up a new login screen."));
-
-                return FALSE;
-        }
-
-        if (res == 0) {
-                free (seat_id);
-
-                g_set_error (error, GDM_COMMON_ERROR, 0, _("The system is unable to start up a new login 
screen."));
-
-                return FALSE;
-        }
-
         res = gdm_get_login_window_session_id (seat_id, &session_id);
         if (res && session_id != NULL) {
                 res = gdm_activate_session_by_id (connection, seat_id, session_id);
diff --git a/daemon/gdm-local-display-factory.c b/daemon/gdm-local-display-factory.c
index e7cafeb10..d0be782c0 100644
--- a/daemon/gdm-local-display-factory.c
+++ b/daemon/gdm-local-display-factory.c
@@ -473,7 +473,7 @@ create_display (GdmLocalDisplayFactory *factory,
                  session_type? : "X11", seat_id);
         store = gdm_display_factory_get_display_store (GDM_DISPLAY_FACTORY (factory));
 
-        if (sd_seat_can_multi_session (seat_id))
+        if (g_strcmp0 (seat_id, "seat0") == 0)
                 display = gdm_display_store_find (store, lookup_prepared_display_by_seat_id, (gpointer) 
seat_id);
         else
                 display = gdm_display_store_find (store, lookup_by_seat_id, (gpointer) seat_id);
diff --git a/libgdm/gdm-user-switching.c b/libgdm/gdm-user-switching.c
index 20235fd82..b39d21db0 100644
--- a/libgdm/gdm-user-switching.c
+++ b/libgdm/gdm-user-switching.c
@@ -218,24 +218,6 @@ goto_login_session (GDBusConnection  *connection,
                 return FALSE;
         }
 
-        res = sd_seat_can_multi_session (seat_id);
-        if (res < 0) {
-                free (seat_id);
-
-                g_debug ("failed to determine whether seat can do multi session: %s", strerror (-res));
-                g_set_error (error, GDM_CLIENT_ERROR, 0, _("The system is unable to determine whether to 
switch to an existing login screen or start up a new login screen."));
-
-                return FALSE;
-        }
-
-        if (res == 0) {
-                free (seat_id);
-
-                g_set_error (error, GDM_CLIENT_ERROR, 0, _("The system is unable to start up a new login 
screen."));
-
-                return FALSE;
-        }
-
         res = get_login_window_session_id (seat_id, &session_id);
         if (res && session_id != NULL) {
                 res = activate_session_id (connection, cancellable, seat_id, session_id, error);