From: Fabian Frederick <fabf@skynet.be>
Date: Fri, 25 Sep 2020 13:16:18 +0000 (+0200)
Subject: vxlan: add unlikely to vxlan_remcsum check
X-Git-Tag: v5.10.7~1401^2~144^2~3
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=0189399cbb5eba6e98f02b61574b507062c476b7;p=platform%2Fkernel%2Flinux-rpi.git

vxlan: add unlikely to vxlan_remcsum check

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

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index 47c762f..cc904f0 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)) {