[PATCH V2 2/5 net-next] vxlan: add unlikely to vxlan_remcsum check

From: Fabian Frederick
Date: Fri Sep 25 2020 - 09:16:44 EST


small optimization around checking as it's being done in all
receptions

Signed-off-by: Fabian Frederick <fabf@xxxxxxxxx>
---
drivers/net/vxlan.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index 47c762f7f5b11..cc904f003f158 100644
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -1876,7 +1876,7 @@ static int vxlan_rcv(struct sock *sk, struct sk_buff *skb)
goto drop;

if (vs->flags & VXLAN_F_REMCSUM_RX)
- if (!vxlan_remcsum(&unparsed, skb, vs->flags))
+ if (unlikely(!vxlan_remcsum(&unparsed, skb, vs->flags)))
goto drop;

if (vxlan_collect_metadata(vs)) {
--
2.27.0