int slen;
struct sysfs_attribute *tmpattr;
unsigned int next_free_number;
+ struct sysfs_class_device *class_dev_parent;
pos = string;
while (1) {
switch (c) {
+ case 'p':
+ if (strlen(udev->devpath) == 0)
+ break;
+ strfieldcatmax(string, udev->devpath, maxsize);
+ dbg("substitute kernel name '%s'", udev->kernel_name);
+ break;
case 'b':
if (strlen(udev->bus_id) == 0)
break;
strfieldcatmax(string, temp2, maxsize);
}
break;
+ case 'P':
+ class_dev_parent = sysfs_get_classdev_parent(class_dev);
+ if (class_dev_parent != NULL) {
+ struct udevice udev_parent;
+
+ dbg("found parent '%s', get the node name", class_dev_parent->path);
+ memset(&udev_parent, 0x00, sizeof(struct udevice));
+ /* lookup the name in the udev_db with the DEVPATH of the parent */
+ strfieldcpy(udev_parent.devpath, &class_dev_parent->path[strlen(sysfs_path)]);
+ if (udev_db_get_device(&udev_parent) == 0) {
+ strfieldcatmax(string, udev_parent.name, maxsize);
+ dbg("substitute parent node name'%s'", udev_parent.name);
+ } else
+ dbg("parent not found in database");
+ }
+ break;
+ case 'N':
+ if (udev->tmp_node[0] == '\0') {
+ dbg("create temporary device node for callout");
+ snprintf(udev->tmp_node, NAME_SIZE-1, "%s/.tmp-%u-%u", udev_root, udev->major, udev->minor);
+ udev_make_node(udev, udev->tmp_node, udev->major, udev->minor, 0600, 0, 0);
+ }
+ strfieldcatmax(string, udev->tmp_node, maxsize);
+ dbg("substitute temporary device node name '%s'", udev->tmp_node);
+ break;
+ case 'r':
+ strfieldcatmax(string, udev_root, maxsize);
+ dbg("substitute udev_root '%s'", udev_root);
+ break;
default:
dbg("unknown substitution type '%%%c'", c);
break;
dbg("no rule found, use kernel name '%s'", udev->name);
exit:
+ if (udev->tmp_node[0] != '\0') {
+ dbg("removing temporary device node");
+ unlink_secure(udev->tmp_node);
+ udev->tmp_node[0] = '\0';
+ }
+
return 0;
}