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cleanup old names before creating the new names

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Scott found that the node /dev/pktcdvd can not be replaced by
/dev/pktcdvd/control by changing the rules, and re-trigger the
event. We used to create the new names before we cleaned up the
old ones, which can not work if we need to create subdir with
the same name.
This commit is contained in:
Kay Sievers
2009-01-16 21:15:53 +01:00
parent 8257730d39
commit fc7d16f993
1 changed files with 5 additions and 3 deletions
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udev/udev-event.c
+5 -3
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@@ -582,22 +582,24 @@ int udev_event_execute_rules(struct udev_event *event, struct udev_rules *rules)
util_strlcat(filename, event->name, sizeof(filename));
udev_device_set_devnode(dev, filename);
/* read current database entry */
/* read old database entry */
dev_old = udev_device_new_from_syspath(event->udev, udev_device_get_syspath(dev));
if (dev_old != NULL) {
udev_device_read_db(dev_old);
udev_device_set_info_loaded(dev_old);
}
/* update database, create node and symlinks */
/* write current database entry */
udev_device_update_db(dev);
err = udev_node_add(dev, event->mode, event->uid, event->gid);
/* remove/update possible left-over symlinks from old database entry */
if (dev_old != NULL) {
udev_node_update_old_links(dev, dev_old);
udev_device_unref(dev_old);
}
/* create new node and symlinks */
err = udev_node_add(dev, event->mode, event->uid, event->gid);
goto exit;
}