[PATCH v2 1/2] earlycon: Replace simple_strtoul with kstrtouint

From: Ricardo Ribalda
Date: Thu Nov 24 2022 - 05:02:54 EST


Baud rate is declared as unsigned integer. Use the right function.

Signed-off-by: Ricardo Ribalda <ribalda@xxxxxxxxxxxx>

diff --git a/drivers/tty/serial/earlycon.c b/drivers/tty/serial/earlycon.c
index a5f380584cda..5b73da9487b1 100644
--- a/drivers/tty/serial/earlycon.c
+++ b/drivers/tty/serial/earlycon.c
@@ -120,7 +120,9 @@ static int __init parse_options(struct earlycon_device *device, char *options)
}

if (options) {
- device->baud = simple_strtoul(options, NULL, 0);
+ if (kstrtouint(options, 0, &device->baud) < 0)
+ pr_warn("[%s] unsupported earlycon baud rate option\n",
+ options);
length = min(strcspn(options, " ") + 1,
(size_t)(sizeof(device->options)));
strscpy(device->options, options, length);
@@ -303,7 +305,9 @@ int __init of_setup_earlycon(const struct earlycon_id *match,
port->uartclk = be32_to_cpu(*val);

if (options) {
- early_console_dev.baud = simple_strtoul(options, NULL, 0);
+ if (kstrtouint(options, 0, &early_console_dev.baud) < 0)
+ pr_warn("[%s] unsupported earlycon baud rate options\n",
+ options);
strscpy(early_console_dev.options, options,
sizeof(early_console_dev.options));
}

--
b4 0.11.0-dev-d93f8