do not remove static nodes on module unload

[elogind.git] / udev / udev-event.c

diff --git a/udev/udev-event.c b/udev/udev-event.c
index 4c51ed58e58ff33fb9cad7b02e2aca43966ea979..391fce81c3214806539e5692e316b4c19f142190 100644 (file)
--- a/udev/udev-event.c
+++ b/udev/udev-event.c
@@ -38,15 +38,15 @@
 
 struct udev_event *udev_event_new(struct udev_device *dev)
 {
+       struct udev *udev = udev_device_get_udev(dev);
        struct udev_event *event;
 
        event = calloc(1, sizeof(struct udev_event));
        if (event == NULL)
                return NULL;
-       event->mode = 0600;
        event->dev = dev;
-       event->udev = udev_device_get_udev(dev);
-       udev_list_init(&event->run_list);
+       event->udev = udev;
+       udev_list_init(udev, &event->run_list, false);
        event->fd_signal = -1;
        event->birth_usec = now_usec();
        event->timeout_usec = 60 * 1000 * 1000;
@@ -58,7 +58,7 @@ void udev_event_unref(struct udev_event *event)
 {
        if (event == NULL)
                return;
-       udev_list_cleanup_entries(event->udev, &event->run_list);
+       udev_list_cleanup(&event->run_list);
        free(event->tmp_node);
        free(event->program_result);
        free(event->name);
@@ -958,10 +958,6 @@ int udev_event_execute_rules(struct udev_event *event, struct udev_rules *rules,
                        if (err == 0) {
                                info(event->udev, "renamed netif to '%s'\n", event->name);
 
-                               /* delete stale db file */
-                               udev_device_delete_db(dev);
-                               udev_device_tag_index(dev, NULL, false);
-
                                /* remember old name */
                                udev_device_add_property(dev, "INTERFACE_OLD", udev_device_get_sysname(dev));
 
@@ -1021,9 +1017,22 @@ int udev_event_execute_rules(struct udev_event *event, struct udev_rules *rules,
                        if (event->dev_db != NULL)
                                udev_node_update_old_links(dev, event->dev_db);
 
-                       /* change default 0600 to 0660 if a group is assigned */
-                       if (event->mode == 0600 && event->gid > 0)
-                               event->mode = 0660;
+                       if (!event->mode_set) {
+                               if (udev_device_get_devnode_mode(dev) > 0) {
+                                       /* kernel supplied value */
+                                       event->mode = udev_device_get_devnode_mode(dev);
+                               } else if (event->gid > 0) {
+                                       /* default 0660 if a group is assigned */
+                                       event->mode = 0660;
+                               } else {
+                                       /* default 0600 */
+                                       event->mode = 0600;
+                               }
+                       }
+
+                       /* set sticky bit, so we do not remove the node on module unload */
+                       if (event->static_node)
+                               event->mode |= 01000;
 
                        err = udev_node_add(dev, event->mode, event->uid, event->gid);
                }