diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c
index 66b3ab9f614e..7cee7777d13f 100644
--- a/drivers/net/usb/smsc95xx.c
+++ b/drivers/net/usb/smsc95xx.c
@@ -727,6 +727,9 @@ static int smsc95xx_ethtool_set_wol(struct net_device *net,
 	struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]);
 	int ret;
 
+	if (wolinfo->wolopts & ~SUPPORTED_WAKE)
+		return -EINVAL;
+
 	pdata->wolopts = wolinfo->wolopts & SUPPORTED_WAKE;
 
 	ret = device_set_wakeup_enable(&dev->udev->dev, pdata->wolopts);