diff mbox series

[net,v2,4/7] sr9800: Check for supported Wake-on-LAN modes

Message ID 20180928231856.3587-5-f.fainelli@gmail.com (mailing list archive)
State New, archived
Headers show
Series net: usb: Check for Wake-on-LAN modes | expand

Commit Message

Florian Fainelli Sept. 28, 2018, 11:18 p.m. UTC 
The driver currently silently accepts unsupported Wake-on-LAN modes
(other than WAKE_PHY or WAKE_MAGIC) without reporting that to the user,
which is confusing.

Fixes: 19a38d8e0aa3 ("USB2NET : SR9800 : One chip USB2.0 USB2NET SR9800 Device Driver Support")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
---
 drivers/net/usb/sr9800.c | 3 +++
 1 file changed, 3 insertions(+)
diff mbox series

Patch

diff --git a/drivers/net/usb/sr9800.c b/drivers/net/usb/sr9800.c
index 9277a0f228df..35f39f23d881 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)