minors_reserved 102 drivers/usb/serial/usb-serial.c serial->minors_reserved = 1; minors_reserved 121 drivers/usb/serial/usb-serial.c serial->minors_reserved = 0; minors_reserved 133 drivers/usb/serial/usb-serial.c if (serial->minors_reserved) minors_reserved 615 drivers/usb/serial/usb-serial.c serial->minors_reserved = 0; minors_reserved 154 include/linux/usb/serial.h unsigned char minors_reserved:1;