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Subject[PATCH 4.9 024/171] r8152: Check for supported Wake-on-LAN Modes
Date
4.9-stable review patch.  If anyone has any objections, please let me know.

------------------

[ Upstream commit f2750df1548bd8a2b060eb609fc43ca82811af4c ]

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: 21ff2e8976b1 ("r8152: support WOL")
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/r8152.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index 5988674818ed..02e29562d254 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -3776,6 +3776,9 @@ static int rtl8152_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
if (!rtl_can_wakeup(tp))
return -EOPNOTSUPP;

+ if (wol->wolopts & ~WAKE_ANY)
+ return -EINVAL;
+
ret = usb_autopm_get_interface(tp->intf);
if (ret < 0)
goto out_set_wol;
--
2.17.1


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