tty_groups 2846 drivers/tty/serial/serial_core.c uport->tty_groups = kcalloc(num_groups, sizeof(*uport->tty_groups), tty_groups 2848 drivers/tty/serial/serial_core.c if (!uport->tty_groups) { tty_groups 2852 drivers/tty/serial/serial_core.c uport->tty_groups[0] = &tty_dev_attr_group; tty_groups 2854 drivers/tty/serial/serial_core.c uport->tty_groups[1] = uport->attr_group; tty_groups 2861 drivers/tty/serial/serial_core.c uport->line, uport->dev, port, uport->tty_groups); tty_groups 2942 drivers/tty/serial/serial_core.c kfree(uport->tty_groups); tty_groups 252 include/linux/serial_core.h const struct attribute_group **tty_groups; /* all attributes (serial core use only) */