[PATCH net 3/7] lan78xx: Check for supported Wake-on-LAN modes
From: Florian Fainelli <f.fainelli@gmail.com>
Date: 2018-09-24 20:56:07
Also in:
linux-usb, lkml
Subsystem:
networking drivers, the rest, usb lan78xx ethernet driver, usb networking drivers · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds, Thangaraj Samynathan
The driver supports a fair amount of Wake-on-LAN modes, but is not
checking that the user specified one that is supported.
Fixes: 55d7de9de6c3 ("Microchip's LAN7800 family USB 2/3 to 10/100/1000 Ethernet device driver")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
---
drivers/net/usb/lan78xx.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c
index a9991c5f4736..e0a588d1b8e6 100644
--- a/drivers/net/usb/lan78xx.c
+++ b/drivers/net/usb/lan78xx.c@@ -1415,6 +1415,9 @@ static int lan78xx_set_wol(struct net_device *netdev, if (wol->wolopts & WAKE_ARP) pdata->wol |= WAKE_ARP; + if (pdata->wol == 0) + return -EINVAL; + device_set_wakeup_enable(&dev->udev->dev, (bool)wol->wolopts); phy_ethtool_set_wol(netdev->phydev, wol);
--
2.17.1