hwmon: Register thermal zone only if 'dev' parameter was provided



Rgistering a thermal zone uses devm_kzalloc(), which requires
a pointer to the parent device.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

parent 74d3b641

drivers/hwmon/hwmon.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -608,7 +608,7 @@ __hwmon_device_register(struct device dev, const char name, void *drvdata,
		if (err)
		goto free_hwmon;

		if (chip && chip->ops->read &&
		if (dev && chip && chip->ops->read &&
		chip->info[0]->type == hwmon_chip &&
		(chip->info[0]->config[0] & HWMON_C_REGISTER_TZ)) {
		const struct hwmon_channel_info **info = chip->info;