From: kernel test robot <lkp@xxxxxxxxx> Zero-length and one-element arrays are deprecated, see Documentation/process/deprecated.rst Flexible-array members should be used instead. Generated by: scripts/coccinelle/misc/flexible_array.cocci Fixes: 10d8b34a42171 ("serial: max310x: Driver rework") CC: Denis Efremov <efremov@xxxxxxxxx> Reported-by: kernel test robot <lkp@xxxxxxxxx> Signed-off-by: kernel test robot <lkp@xxxxxxxxx> Signed-off-by: Julia Lawall <julia.lawall@xxxxxxxx> --- v2: reference the correct commit for Fixes tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 144c79ef33536b4ecb4951e07dbc1f2b7fa99d32 commit: 7b36c1398fb63f9c38cc83dc75f143d2e5995062 coccinelle: misc: add flexible_array.cocci script :::::: branch date: 6 hours ago :::::: commit date: 5 months ago max310x.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/tty/serial/max310x.c +++ b/drivers/tty/serial/max310x.c @@ -273,7 +273,7 @@ struct max310x_port { #ifdef CONFIG_GPIOLIB struct gpio_chip gpio; #endif - struct max310x_one p[0]; + struct max310x_one p[]; }; static struct uart_driver max310x_uart = {