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Date: Thu, 27 Aug 2020 08:48:56 +0200 From: Fabian Frederick <fabf@...net.be> To: davem@...emloft.net, kuba@...nel.org Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org, Fabian Frederick <fabf@...net.be> Subject: [PATCH 1/7 net-next] vxlan: don't collect metadata if remote checksum is wrong call vxlan_remcsum() before md filling in vxlan_rcv() Signed-off-by: Fabian Frederick <fabf@...net.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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