[gnome-control-center] printers: Don't pass ownership in get_ipp_attributes_async callback

[Robert Ancell <rancell src gnome org>]

commit 98fd38278a79121692f885090a36ab882cdfb086
Author: Robert Ancell <robert ancell canonical com>
Date:   Fri Feb 12 15:04:52 2021 +1300

    printers: Don't pass ownership in get_ipp_attributes_async callback

 panels/printers/pp-ipp-option-widget.c | 2 +-
 panels/printers/pp-options-dialog.c    | 2 +-
 panels/printers/pp-utils.c             | 2 ++
 3 files changed, 4 insertions(+), 2 deletions(-)
---
diff --git a/panels/printers/pp-ipp-option-widget.c b/panels/printers/pp-ipp-option-widget.c
index 00d56df39..ec2c92a82 100644
--- a/panels/printers/pp-ipp-option-widget.c
+++ b/panels/printers/pp-ipp-option-widget.c
@@ -539,7 +539,7 @@ get_ipp_attributes_cb (GHashTable *table,
   if (self->ipp_attribute)
     g_hash_table_unref (self->ipp_attribute);
 
-  self->ipp_attribute = table;
+  self->ipp_attribute = g_hash_table_ref (table);
 
   update_widget_real (self);
 }
diff --git a/panels/printers/pp-options-dialog.c b/panels/printers/pp-options-dialog.c
index d1164bd13..59229cd48 100644
--- a/panels/printers/pp-options-dialog.c
+++ b/panels/printers/pp-options-dialog.c
@@ -727,7 +727,7 @@ get_ipp_attributes_cb (GHashTable *table,
   if (self->ipp_attributes)
     g_hash_table_unref (self->ipp_attributes);
 
-  self->ipp_attributes = table;
+  self->ipp_attributes = g_hash_table_ref (table);
   self->ipp_attributes_set = TRUE;
 
   if (self->ppd_filename_set &&
diff --git a/panels/printers/pp-utils.c b/panels/printers/pp-utils.c
index 39e31d847..a911503b2 100644
--- a/panels/printers/pp-utils.c
+++ b/panels/printers/pp-utils.c
@@ -1200,6 +1200,8 @@ gia_data_free (GIAData *data)
   g_free (data->printer_name);
   if (data->attributes_names)
     g_strfreev (data->attributes_names);
+  if (data->result)
+    g_hash_table_unref (data->result);
   if (data->context)
     g_main_context_unref (data->context);
   g_free (data);