MTOUCHUSB_REQ_CTRLLR_ID_LEN 480 drivers/input/touchscreen/usbtouchscreen.c buf = kzalloc(MTOUCHUSB_REQ_CTRLLR_ID_LEN, GFP_NOIO); MTOUCHUSB_REQ_CTRLLR_ID_LEN 487 drivers/input/touchscreen/usbtouchscreen.c 0, 0, buf, MTOUCHUSB_REQ_CTRLLR_ID_LEN, MTOUCHUSB_REQ_CTRLLR_ID_LEN 489 drivers/input/touchscreen/usbtouchscreen.c if (ret != MTOUCHUSB_REQ_CTRLLR_ID_LEN) {