From: Yuan Can yuancan@huawei.com
[ 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@huawei.com Link: https://lore.kernel.org/r/20221125014329.121560-1-yuancan@huawei.com Signed-off-by: Guenter Roeck linux@roeck-us.net Signed-off-by: Sasha Levin sashal@kernel.org --- 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) {