The fields must be null-terminated, or next printk for %s, will cause issue. Signed-off-by: Chen Gang <gang.chen@xxxxxxxxxxx> --- drivers/tty/serial/8250/8250_early.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/tty/serial/8250/8250_early.c b/drivers/tty/serial/8250/8250_early.c index f53a7db..721904f 100644 --- a/drivers/tty/serial/8250/8250_early.c +++ b/drivers/tty/serial/8250/8250_early.c @@ -194,7 +194,7 @@ static int __init parse_options(struct early_serial8250_device *device, options++; device->baud = simple_strtoul(options, NULL, 0); length = min(strcspn(options, " "), sizeof(device->options)); - strncpy(device->options, options, length); + strlcpy(device->options, options, length); } else { device->baud = probe_baud(port); snprintf(device->options, sizeof(device->options), "%u", -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html