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Subject[PATCH AUTOSEL 4.18 052/100] smsc75xx: Check for Wake-on-LAN modes
Date
From: Florian Fainelli <f.fainelli@gmail.com>

[ Upstream commit 9c734b2769a73eea2e9e9767c0e0bf839ff23679 ]

The driver does not check for Wake-on-LAN modes specified by an user,
but will conditionally set the device as wake-up enabled or not based on
that, which could be a very confusing user experience.

Fixes: 6c636503260d ("smsc75xx: add wol magic packet support")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/net/usb/smsc75xx.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/net/usb/smsc75xx.c b/drivers/net/usb/smsc75xx.c
index 05553d252446..e5a4cbb366dc 100644
--- a/drivers/net/usb/smsc75xx.c
+++ b/drivers/net/usb/smsc75xx.c
@@ -731,6 +731,9 @@ static int smsc75xx_ethtool_set_wol(struct net_device *net,
struct smsc75xx_priv *pdata = (struct smsc75xx_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);
--
2.17.1
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