serial: 8250_early: fix comparison of different types

Fix the following sparse warning:

drivers/tty/serial/8250/8250_early.c:196:26: error: incompatible types in comparison expression (different type sizes)

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/serial/8250/8250_early.c b/drivers/tty/serial/8250/8250_early.c
index 946ddd2b3a541990277aabad488843a429e3e6f5..c100d6343d508cd9b690ca3eb7c0e59e2fe87ef3 100644 (file)
--- 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, " ") + 1,
-                            sizeof(device->options));
+                            (size_t)(sizeof(device->options)));
                strlcpy(device->options, options, length);
        } else {
                device->baud = probe_baud(port);