diff options
Diffstat (limited to 'net/xfrm')
| -rw-r--r-- | net/xfrm/xfrm_output.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/net/xfrm/xfrm_output.c b/net/xfrm/xfrm_output.c index e5722c95b8bb..a12588e7b060 100644 --- a/net/xfrm/xfrm_output.c +++ b/net/xfrm/xfrm_output.c @@ -706,6 +706,8 @@ int xfrm_output(struct sock *sk, struct sk_buff *skb) struct xfrm_state *x = skb_dst(skb)->xfrm; int family; int err; + struct xfrm_offload *xo; + struct sec_path *sp; family = (x->xso.type != XFRM_DEV_OFFLOAD_PACKET) ? x->outer_mode.family : skb_dst(skb)->ops->family; @@ -728,6 +730,25 @@ int xfrm_output(struct sock *sk, struct sk_buff *skb) kfree_skb(skb); return -EHOSTUNREACH; } + sp = secpath_set(skb); + if (!sp) { + XFRM_INC_STATS(net, LINUX_MIB_XFRMOUTERROR); + kfree_skb(skb); + return -ENOMEM; + } + + sp->olen++; + sp->xvec[sp->len++] = x; + xfrm_state_hold(x); + + xo = xfrm_offload(skb); + if (!xo) { + secpath_reset(skb); + XFRM_INC_STATS(net, LINUX_MIB_XFRMOUTERROR); + kfree_skb(skb); + return -EINVAL; + } + xo->flags |= XFRM_XMIT; return xfrm_output_resume(sk, skb, 0); } |