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tun: fix inability to set offloads after disabling them via ethtool

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Added missing logic in tun driver, which prevents apps to set
offloads using tun ioctl, if offloads were previously disabled via ethtool

Signed-off-by: Yaroslav Isakov <yaroslav.isakov@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yaroslav Isakov 2017-03-16 22:44:10 +03:00 committed by David S. Miller
parent 7df9c24625
commit 09050957fa
1 changed files with 2 additions and 0 deletions
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2
drivers/net/tun.c
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@ -1931,6 +1931,8 @@ static int set_offload(struct tun_struct *tun, unsigned long arg)
return -EINVAL; return -EINVAL;
tun->set_features = features; tun->set_features = features;
tun->dev->wanted_features &= ~TUN_USER_FEATURES;
tun->dev->wanted_features |= features;
netdev_update_features(tun->dev); netdev_update_features(tun->dev);
return 0; return 0;