diff options
| author | Yuan Can <yuancan@huawei.com> | 2022-11-25 01:43:29 +0000 |
|---|---|---|
| committer | Guenter Roeck <linux@roeck-us.net> | 2022-12-01 09:20:55 -0800 |
| commit | 9bdc112be727cf1ba65be79541147f960c3349d8 (patch) | |
| tree | 80f3242643a1c11dcd89dd5bce0a689850fb85e9 | |
| parent | 7dec14537c5906b8bf40fd6fd6d9c3850f8df11d (diff) | |
| download | v9fs-9bdc112be727cf1ba65be79541147f960c3349d8.tar.gz | |
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: 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>
| -rw-r--r-- | drivers/hwmon/asus-ec-sensors.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/hwmon/asus-ec-sensors.c b/drivers/hwmon/asus-ec-sensors.c index 81e688975c6a79..a901e4e33d81d0 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) { |