usermodehelper_read_unlock 586 drivers/base/firmware_loader/fallback.c usermodehelper_read_unlock(); usermodehelper_read_unlock 82 include/linux/umh.h extern void usermodehelper_read_unlock(void); usermodehelper_read_unlock 294 kernel/umh.c EXPORT_SYMBOL_GPL(usermodehelper_read_unlock);