platform/chrome: cros_ec_sensorhub: Off by one in cros_sensorhub_send…

…_sample()

The sensorhub->push_data[] array has sensorhub->sensor_num elements.
It's allocated in cros_ec_sensorhub_ring_add().  So the > should be >=
to prevent a read one element beyond the end of the array.

Fixes: 145d59b ("platform/chrome: cros_ec_sensorhub: Add FIFO support")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>

drivers/platform/chrome/cros_ec_sensorhub_ring.c

@@ -40,7 +40,7 @@ cros_sensorhub_send_sample(struct cros_ec_sensorhub *sensorhub,
 	int id = sample->sensor_id;
 	struct iio_dev *indio_dev;
 
-	if (id > sensorhub->sensor_num)
+	if (id >= sensorhub->sensor_num)
 		return -EINVAL;
 
 	cb = sensorhub->push_data[id].push_data_cb;