hwmon: (iio_hwmon) Fix missing iio_channel_release_all call if devm_kzalloc fail

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
1 file changed