[epiphany/gnome-42] password-manager: Fix crash when deleting all passwords

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 2b5ef48fcc7675ad4c7ee15dedd7f6da7c40a647
Author: Michael Catanzaro <mcatanzaro redhat com>
Date:   Fri May 6 16:43:12 2022 -0500

    password-manager: Fix crash when deleting all passwords
    
    This broke in 7d080a31. The callback here is not prepared for there to
    be no async data, but the async data is only required when clearing a
    single password, not when clearing all of them. The GTask is optional
    even if there is async data. We're just going to need a bunch of
    conditionals here.
    
    Fixes #1773
    
    Part-of: <https://gitlab.gnome.org/GNOME/epiphany/-/merge_requests/1109>
    
    
    (cherry picked from commit 1e2a52481b7755fd6fe373efc8cd325f6c4e8960)

 lib/sync/ephy-password-manager.c | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)
---
diff --git a/lib/sync/ephy-password-manager.c b/lib/sync/ephy-password-manager.c
index f8a15df77..25af8863a 100644
--- a/lib/sync/ephy-password-manager.c
+++ b/lib/sync/ephy-password-manager.c
@@ -735,22 +735,22 @@ secret_password_clear_cb (GObject      *source_object,
 
   secret_password_clear_finish (result, &error);
   if (error) {
-    if (data->task)
+    if (data && data->task)
       g_task_return_error (data->task, error);
-    else
+    else if (!g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
       g_warning ("Failed to clear secrets from password schema: %s", error->message);
-
-    manage_record_async_data_free (data);
+    g_clear_pointer (&data, manage_record_async_data_free);
     return;
   }
 
-  if (data->record)
-    ephy_password_manager_store_record (data->manager, data->record);
-
-  if (data->task)
-    g_task_return_boolean (data->task, TRUE);
+  if (data) {
+    if (data->record)
+      ephy_password_manager_store_record (data->manager, data->record);
+    if (data->task)
+      g_task_return_boolean (data->task, TRUE);
+  }
 
-  manage_record_async_data_free (data);
+  g_clear_pointer (&data, manage_record_async_data_free);
 }
 
 static void