+ /* we handle only these devpathes */
+ if (devpath != NULL &&
+ strncmp(devpath, "/devices/", 9) != 0 &&
+ strncmp(devpath, "/subsystem/", 11) != 0 &&
+ strncmp(devpath, "/module/", 8) != 0 &&
+ strncmp(devpath, "/bus/", 5) != 0 &&
+ strncmp(devpath, "/class/", 7) != 0 &&
+ strncmp(devpath, "/block/", 7) != 0)
+ return NULL;
+