zf_is_open 121 drivers/watchdog/machzwd.c static unsigned long zf_is_open; zf_is_open 326 drivers/watchdog/machzwd.c if (test_and_set_bit(0, &zf_is_open)) zf_is_open 342 drivers/watchdog/machzwd.c clear_bit(0, &zf_is_open);