[PATCH V2 3/5 net-next] vxlan: move encapsulation warning

From: Fabian Frederick
Date: Fri Sep 25 2020 - 09:17:04 EST


vxlan_xmit_one() was only called from vxlan_xmit() without rdst and
info was already tested. Emit warning in that function instead

Signed-off-by: Fabian Frederick <fabf@xxxxxxxxx>
---
drivers/net/vxlan.c | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index cc904f003f158..14f903d09c010 100644
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -2650,11 +2650,6 @@ static void vxlan_xmit_one(struct sk_buff *skb, struct net_device *dev,
udp_sum = !(flags & VXLAN_F_UDP_ZERO_CSUM6_TX);
label = vxlan->cfg.label;
} else {
- if (!info) {
- WARN_ONCE(1, "%s: Missing encapsulation instructions\n",
- dev->name);
- goto drop;
- }
remote_ip.sa.sa_family = ip_tunnel_info_af(info);
if (remote_ip.sa.sa_family == AF_INET) {
remote_ip.sin.sin_addr.s_addr = info->key.u.ipv4.dst;
@@ -2889,6 +2884,10 @@ static netdev_tx_t vxlan_xmit(struct sk_buff *skb, struct net_device *dev)
info->mode & IP_TUNNEL_INFO_TX) {
vni = tunnel_id_to_key32(info->key.tun_id);
} else {
+ if (!info)
+ WARN_ONCE(1, "%s: Missing encapsulation instructions\n",
+ dev->name);
+
if (info && info->mode & IP_TUNNEL_INFO_TX)
vxlan_xmit_one(skb, dev, vni, NULL, false);
else
--
2.27.0