iio: imu: st_lsm6dsx: Fix wakeup source leaks on device unbind

[ Upstream commit 4551383 ]

Device can be unbound, so driver must also release memory for the wakeup
source.

Signed-off-by: Krzysztof Kozlowski <[email protected]>
Acked-by: Lorenzo Bianconi <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Jonathan Cameron <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>

Author: krzk

drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c

@@ -2719,8 +2719,11 @@ int st_lsm6dsx_probe(struct device *dev, int irq, int hw_id,
 	}
 
 	if (device_property_read_bool(dev, "wakeup-source") ||
-	    (pdata && pdata->wakeup_source))
-		device_init_wakeup(dev, true);
+	    (pdata && pdata->wakeup_source)) {
+		err = devm_device_init_wakeup(dev);
+		if (err)
+			return dev_err_probe(dev, err, "Failed to init wakeup\n");
+	}
 
 	return 0;
 }