From: Yuan Can <yuancan@xxxxxxxxxx> [ Upstream commit 9bdc112be727cf1ba65be79541147f960c3349d8 ] As the devm_kcalloc may return NULL, the return value needs to be checked to avoid NULL poineter dereference. Fixes: d0ddfd241e57 ("hwmon: (asus-ec-sensors) add driver for ASUS EC") Signed-off-by: Yuan Can <yuancan@xxxxxxxxxx> Link: https://lore.kernel.org/r/20221125014329.121560-1-yuancan@xxxxxxxxxx Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- drivers/hwmon/asus-ec-sensors.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/hwmon/asus-ec-sensors.c b/drivers/hwmon/asus-ec-sensors.c index 81e688975c6a..a901e4e33d81 100644 --- a/drivers/hwmon/asus-ec-sensors.c +++ b/drivers/hwmon/asus-ec-sensors.c @@ -938,6 +938,8 @@ static int asus_ec_probe(struct platform_device *pdev) ec_data->nr_sensors = hweight_long(ec_data->board_info->sensors); ec_data->sensors = devm_kcalloc(dev, ec_data->nr_sensors, sizeof(struct ec_sensor), GFP_KERNEL); + if (!ec_data->sensors) + return -ENOMEM; status = setup_lock_data(dev); if (status) { -- 2.35.1