PREFIX_LENGTH 412 drivers/hid/hid-logitech-hidpp.c if (name_length > PREFIX_LENGTH && PREFIX_LENGTH 413 drivers/hid/hid-logitech-hidpp.c strncmp(*name, "Logitech ", PREFIX_LENGTH) == 0) PREFIX_LENGTH 417 drivers/hid/hid-logitech-hidpp.c new_length = PREFIX_LENGTH + name_length;