diff --git a/drivers/net/usb/sr9800.c b/drivers/net/usb/sr9800.c
index 9277a0f228dfa6de355c74d2652edcf2fb1d2f4b..35f39f23d88144195b8f007035f207d38b48c1fd 100644
--- a/drivers/net/usb/sr9800.c
+++ b/drivers/net/usb/sr9800.c
@@ -421,6 +421,9 @@ sr_set_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo)
 	struct usbnet *dev = netdev_priv(net);
 	u8 opt = 0;
 
+	if (wolinfo->wolopts & ~(WAKE_PHY | WAKE_MAGIC))
+		return -EINVAL;
+
 	if (wolinfo->wolopts & WAKE_PHY)
 		opt |= SR_MONITOR_LINK;
 	if (wolinfo->wolopts & WAKE_MAGIC)