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Subject[PATCH 1/7 net-next] vxlan: don't collect metadata if remote checksum is wrong
Date
call vxlan_remcsum() before md filling in vxlan_rcv()

Signed-off-by: Fabian Frederick <fabf@skynet.be>
---
drivers/net/vxlan.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index b9fefe27e3e89..47c762f7f5b11 100644
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -1875,6 +1875,10 @@ static int vxlan_rcv(struct sock *sk, struct sk_buff *skb)
!net_eq(vxlan->net, dev_net(vxlan->dev))))
goto drop;

+ if (vs->flags & VXLAN_F_REMCSUM_RX)
+ if (!vxlan_remcsum(&unparsed, skb, vs->flags))
+ goto drop;
+
if (vxlan_collect_metadata(vs)) {
struct metadata_dst *tun_dst;

@@ -1891,9 +1895,6 @@ static int vxlan_rcv(struct sock *sk, struct sk_buff *skb)
memset(md, 0, sizeof(*md));
}

- if (vs->flags & VXLAN_F_REMCSUM_RX)
- if (!vxlan_remcsum(&unparsed, skb, vs->flags))
- goto drop;
if (vs->flags & VXLAN_F_GBP)
vxlan_parse_gbp_hdr(&unparsed, skb, vs->flags, md);
/* Note that GBP and GPE can never be active together. This is
--
2.27.0
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