[PATCH AUTOSEL 4.19 54/60] ip6_tunnel: allow not to count pkts on tstats by passing dev as NULL

Sasha Levin
2019-06-27T00:39:11Z

From: Xin Long <lucien.xin@gmail.com>

[ Upstream commit 6f6a8622057c92408930c31698394fae1557b188 ]

A similar fix to Patch "ip_tunnel: allow not to count pkts on tstats by
setting skb's dev to NULL" is also needed by ip6_tunnel.

Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
include/net/ip6_tunnel.h | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/include/net/ip6_tunnel.h b/include/net/ip6_tunnel.h
index 236e40ba06bf..f594eb71c274 100644
--- a/include/net/ip6_tunnel.h
+++ b/include/net/ip6_tunnel.h
@@ -156,9 +156,12 @@ static inline void ip6tunnel_xmit(struct sock *sk, struct sk_buff *skb,
memset(skb->cb, 0, sizeof(struct inet6_skb_parm));
pkt_len = skb->len - skb_inner_network_offset(skb);
err = ip6_local_out(dev_net(skb_dst(skb)->dev), sk, skb);
- if (unlikely(net_xmit_eval(err)))
- pkt_len = -1;
- iptunnel_xmit_stats(dev, pkt_len);
+
+ if (dev) {
+ if (unlikely(net_xmit_eval(err)))
+ pkt_len = -1;
+ iptunnel_xmit_stats(dev, pkt_len);
+ }
}
#endif
#endif
--
2.20.1