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 <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Guenter Roeck <[email protected]>
AKoskovich · Jan 21, 2023 · 94cf50a · 94cf50a
1 parent b8b17e6
commit 94cf50a
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/asus-ec-sensors.c b/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) {