From 07a7f30819475a6f058df6bba5150c50e7942cfb Mon Sep 17 00:00:00 2001 From: Randy Dunlap Date: Fri, 22 May 2020 13:05:26 -0700 Subject: [PATCH] net: psample: fix build error when CONFIG_INET is not enabled MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Fix psample build error when CONFIG_INET is not set/enabled by bracketing the tunnel code in #ifdef CONFIG_NET / #endif. ../net/psample/psample.c: In function ‘__psample_ip_tun_to_nlattr’: ../net/psample/psample.c:216:25: error: implicit declaration of function ‘ip_tunnel_info_opts’; did you mean ‘ip_tunnel_info_opts_set’? [-Werror=implicit-function-declaration] Signed-off-by: Randy Dunlap Cc: Yotam Gigi Cc: Cong Wang Signed-off-by: David S. Miller --- net/psample/psample.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/net/psample/psample.c b/net/psample/psample.c index 34a74043840b..a042261a45c5 100644 --- a/net/psample/psample.c +++ b/net/psample/psample.c @@ -209,6 +209,7 @@ void psample_group_put(struct psample_group *group) } EXPORT_SYMBOL_GPL(psample_group_put); +#ifdef CONFIG_INET static int __psample_ip_tun_to_nlattr(struct sk_buff *skb, struct ip_tunnel_info *tun_info) { @@ -352,12 +353,15 @@ static int psample_tunnel_meta_len(struct ip_tunnel_info *tun_info) return sum; } +#endif void psample_sample_packet(struct psample_group *group, struct sk_buff *skb, u32 trunc_size, int in_ifindex, int out_ifindex, u32 sample_rate) { +#ifdef CONFIG_INET struct ip_tunnel_info *tun_info; +#endif struct sk_buff *nl_skb; int data_len; int meta_len; @@ -371,9 +375,11 @@ void psample_sample_packet(struct psample_group *group, struct sk_buff *skb, nla_total_size(sizeof(u32)) + /* group_num */ nla_total_size(sizeof(u32)); /* seq */ +#ifdef CONFIG_INET tun_info = skb_tunnel_info(skb); if (tun_info) meta_len += psample_tunnel_meta_len(tun_info); +#endif data_len = min(skb->len, trunc_size); if (meta_len + nla_total_size(data_len) > PSAMPLE_MAX_PACKET_SIZE) @@ -429,11 +435,13 @@ void psample_sample_packet(struct psample_group *group, struct sk_buff *skb, goto error; } +#ifdef CONFIG_INET if (tun_info) { ret = psample_ip_tun_to_nlattr(nl_skb, tun_info); if (unlikely(ret < 0)) goto error; } +#endif genlmsg_end(nl_skb, data); genlmsg_multicast_netns(&psample_nl_family, group->net, nl_skb, 0, -- 2.11.4.GIT