Instead of a literal, size the for loop iteration based on the actual array using ARRAY_SIZE(). Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@xxxxxxxxxxxxxxx> --- drivers/tty/serial/serial_core.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c index 2bd32c8ece39..ee2aabcc8943 100644 --- a/drivers/tty/serial/serial_core.c +++ b/drivers/tty/serial/serial_core.c @@ -15,6 +15,7 @@ #include <linux/init.h> #include <linux/console.h> #include <linux/gpio/consumer.h> +#include <linux/kernel.h> #include <linux/of.h> #include <linux/proc_fs.h> #include <linux/seq_file.h> @@ -1491,7 +1492,7 @@ static int uart_set_iso7816_config(struct uart_port *port, * There are 5 words reserved for future use. Check that userspace * doesn't put stuff in there to prevent breakages in the future. */ - for (i = 0; i < 5; i++) + for (i = 0; i < ARRAY_SIZE(iso7816.reserved); i++) if (iso7816.reserved[i]) return -EINVAL; -- 2.30.2
