diff options
Diffstat (limited to 'net/xfrm/xfrm_device.c')
-rw-r--r-- | net/xfrm/xfrm_device.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/net/xfrm/xfrm_device.c b/net/xfrm/xfrm_device.c index e7a0ce98479f..8a9f02997067 100644 --- a/net/xfrm/xfrm_device.c +++ b/net/xfrm/xfrm_device.c @@ -153,6 +153,9 @@ int xfrm_dev_state_add(struct net *net, struct xfrm_state *x, if (x->encap || x->tfcpad) return -EINVAL; + if (xuo->flags & ~(XFRM_OFFLOAD_IPV6 | XFRM_OFFLOAD_INBOUND)) + return -EINVAL; + dev = dev_get_by_index(net, xuo->ifindex); if (!dev) { if (!(xuo->flags & XFRM_OFFLOAD_INBOUND)) { @@ -190,7 +193,8 @@ int xfrm_dev_state_add(struct net *net, struct xfrm_state *x, xso->dev = dev; xso->num_exthdrs = 1; - xso->flags = xuo->flags; + /* Don't forward bit that is not implemented */ + xso->flags = xuo->flags & ~XFRM_OFFLOAD_IPV6; err = dev->xfrmdev_ops->xdo_dev_state_add(x); if (err) { |