[gnome-control-center/gnome-3-38] fingerprint-dialog: Don't crash when showing an error during release

[Robert Ancell <rancell src gnome org>]

commit ced484cdf11c96c42b9b9f248d17babb25dda126
Author: Marco Trevisan (Treviño) <mail 3v1n0 net>
Date:   Fri Dec 11 01:23:53 2020 +0100

    fingerprint-dialog: Don't crash when showing an error during release
    
    We unset the local device early when releasing it, so use the one we
    get the callback instead of relying in the private instance that has
    been already cleared.

 panels/user-accounts/cc-fingerprint-dialog.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/panels/user-accounts/cc-fingerprint-dialog.c b/panels/user-accounts/cc-fingerprint-dialog.c
index 874ea73dd..bc69b63ac 100644
--- a/panels/user-accounts/cc-fingerprint-dialog.c
+++ b/panels/user-accounts/cc-fingerprint-dialog.c
@@ -1027,7 +1027,7 @@ release_device_cb (GObject      *object,
 
       g_dbus_error_strip_remote_error (error);
       error_message = g_strdup_printf (_("Failed to release fingerprint device %s: %s"),
-                                       cc_fprintd_device_get_name (self->device),
+                                       cc_fprintd_device_get_name (fprintd_device),
                                        error->message);
       g_warning ("%s", error_message);