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net: psample: fix build error when CONFIG_INET is not enabled

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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 <rdunlap@infradead.org>
Cc: Yotam Gigi <yotam.gi@gmail.com>
Cc: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Randy Dunlap 2020-05-22 13:05:26 -07:00 committed by David S. Miller
parent 0465d8f830
commit 07a7f30819
1 changed files with 8 additions and 0 deletions
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8
net/psample/psample.c
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@ -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,