From: Dan Carpenter Date: Thu, 7 Aug 2025 15:54:37 +0000 (+0300) Subject: serial: max310x: Add error checking in probe() X-Git-Tag: v6.18-rc1~77^2~41 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=672a37ba8af1f2ebcedeb94aea2cdd047f805f30;p=thirdparty%2Fkernel%2Fstable.git serial: max310x: Add error checking in probe() Check if devm_i2c_new_dummy_device() fails. Fixes: 2e1f2d9a9bdb ("serial: max310x: implement I2C support") Signed-off-by: Dan Carpenter Link: https://lore.kernel.org/r/aJTMPZiKqeXSE-KM@stanley.mountain Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/tty/serial/max310x.c b/drivers/tty/serial/max310x.c index ce260e9949c3c..d9a0100b92d2b 100644 --- a/drivers/tty/serial/max310x.c +++ b/drivers/tty/serial/max310x.c @@ -1644,6 +1644,8 @@ static int max310x_i2c_probe(struct i2c_client *client) port_client = devm_i2c_new_dummy_device(&client->dev, client->adapter, port_addr); + if (IS_ERR(port_client)) + return PTR_ERR(port_client); regcfg_i2c.name = max310x_regmap_name(i); regmaps[i] = devm_regmap_init_i2c(port_client, ®cfg_i2c);