gpio_str 127 drivers/tty/serial/serial_mctrl_gpio.c char *gpio_str; gpio_str 131 drivers/tty/serial/serial_mctrl_gpio.c gpio_str = kasprintf(GFP_KERNEL, "%s-gpios", gpio_str 133 drivers/tty/serial/serial_mctrl_gpio.c if (!gpio_str) gpio_str 136 drivers/tty/serial/serial_mctrl_gpio.c present = device_property_present(dev, gpio_str); gpio_str 137 drivers/tty/serial/serial_mctrl_gpio.c kfree(gpio_str);