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xfrm: Fix NETDEV_DOWN with IPSec offload
Upon NETDEV_DOWN event, all xfrm_state objects which are bound to
the device are flushed.
The condition for this is wrong, though, testing dev->hw_features
instead of dev->features. If a device has non-user-modifiable
NETIF_F_HW_ESP, then its xfrm_state objects are not flushed,
causing a crash later on after the device is deleted.
Check dev->features instead of dev->hw_features.
Fixes: d77e38e612
("xfrm: Add an IPsec hardware offloading API")
Signed-off-by: Ilan Tayari <ilant@mellanox.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
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1 changed files with 1 additions and 1 deletions
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@ -170,7 +170,7 @@ static int xfrm_dev_feat_change(struct net_device *dev)
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static int xfrm_dev_down(struct net_device *dev)
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{
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if (dev->hw_features & NETIF_F_HW_ESP)
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if (dev->features & NETIF_F_HW_ESP)
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xfrm_dev_state_flush(dev_net(dev), dev, true);
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xfrm_garbage_collect(dev_net(dev));
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