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

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;
tun->set_features = features;
tun->dev->wanted_features &= ~TUN_USER_FEATURES;
tun->dev->wanted_features |= features;
netdev_update_features(tun->dev);
return 0;