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hwmon: (asus-ec-sensors) Add checks for devm_kcalloc 

As the devm_kcalloc may return NULL, the return value needs to be checked
to avoid NULL poineter dereference.

Fixes: d0ddfd241e ("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>
This commit is contained in:
Yuan Can 2022-11-25 01:43:29 +00:00 committed by Guenter Roeck
parent 7dec14537c
commit 9bdc112be7
1 changed files with 2 additions and 0 deletions
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2
drivers/hwmon/asus-ec-sensors.c
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@ -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) {