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| author | Al Viro <viro@zeniv.linux.org.uk> | 2016-10-11 06:02:51 +0300 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2016-10-11 06:02:51 +0300 |
| commit | 3873691e5ab34fa26948643d038a2b98c4437298 (patch) | |
| tree | 5327469194c2167830bce38b56a618b754cdbeea /net/ipv4/ip_vti.c | |
| parent | c2050a454c7f123d7a57fa1d76ff61bd43643abb (diff) | |
| parent | aadfa8019e8114539cfa0b1eb2e5a9c83094a590 (diff) | |
| download | linux-3873691e5ab34fa26948643d038a2b98c4437298.tar.xz | |
Merge remote-tracking branch 'ovl/rename2' into for-linus
Diffstat (limited to 'net/ipv4/ip_vti.c')
| -rw-r--r-- | net/ipv4/ip_vti.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/net/ipv4/ip_vti.c b/net/ipv4/ip_vti.c index cc701fa70b12..5d7944f394d9 100644 --- a/net/ipv4/ip_vti.c +++ b/net/ipv4/ip_vti.c @@ -88,6 +88,7 @@ static int vti_rcv_cb(struct sk_buff *skb, int err) struct net_device *dev; struct pcpu_sw_netstats *tstats; struct xfrm_state *x; + struct xfrm_mode *inner_mode; struct ip_tunnel *tunnel = XFRM_TUNNEL_SKB_CB(skb)->tunnel.ip4; u32 orig_mark = skb->mark; int ret; @@ -105,7 +106,19 @@ static int vti_rcv_cb(struct sk_buff *skb, int err) } x = xfrm_input_state(skb); - family = x->inner_mode->afinfo->family; + + inner_mode = x->inner_mode; + + if (x->sel.family == AF_UNSPEC) { + inner_mode = xfrm_ip2inner_mode(x, XFRM_MODE_SKB_CB(skb)->protocol); + if (inner_mode == NULL) { + XFRM_INC_STATS(dev_net(skb->dev), + LINUX_MIB_XFRMINSTATEMODEERROR); + return -EINVAL; + } + } + + family = inner_mode->afinfo->family; skb->mark = be32_to_cpu(tunnel->parms.i_key); ret = xfrm_policy_check(NULL, XFRM_POLICY_IN, skb, family); |