From: Marek Kasik <mkasik@redhat.com>
Date: Mon, 11 Jul 2022 14:54:36 +0000 (+0200)
Subject: print: Free print backends after use
X-Git-Tag: archive/raspbian/4.8.3+ds-2+rpi1~3^2~81^2^2~76^2
X-Git-Url: https://dgit.raspbian.org/%22http://www.example.com/cgi/%22/%22http:/www.example.com/cgi/%22?a=commitdiff_plain;h=e68a3a612397f20b41955054882a64ac2cafdbcd;p=gtk4.git

print: Free print backends after use

Print backends loaded in GtkPrintUnixDialog's load_print_backends()
are not freed later as done in e.g. GtkPageSetupUnixDialog.
This commit destroys and unref those print backends.

Closes #5019
---

diff --git a/gtk/gtkprintunixdialog.c b/gtk/gtkprintunixdialog.c
index 14c15264ad..fd23cd9a89 100644
--- a/gtk/gtkprintunixdialog.c
+++ b/gtk/gtkprintunixdialog.c
@@ -942,6 +942,7 @@ static void
 gtk_print_unix_dialog_finalize (GObject *object)
 {
   GtkPrintUnixDialog *dialog = GTK_PRINT_UNIX_DIALOG (object);
+  GList *iter;
 
   unschedule_idle_mark_conflicts (dialog);
   disconnect_printer_details_request (dialog, FALSE);
@@ -967,7 +968,9 @@ gtk_print_unix_dialog_finalize (GObject *object)
   g_clear_pointer (&dialog->waiting_for_printer, (GDestroyNotify)g_free);
   g_clear_pointer (&dialog->format_for_printer, (GDestroyNotify)g_free);
 
-  g_list_free (dialog->print_backends);
+  for (iter = dialog->print_backends; iter != NULL; iter = iter->next)
+    gtk_print_backend_destroy (GTK_PRINT_BACKEND (iter->data));
+  g_list_free_full (dialog->print_backends, g_object_unref);
   dialog->print_backends = NULL;
 
   g_clear_object (&dialog->page_setup_list);