From: Jesper Dangaard Brouer <brouer@xxxxxxxxxx>
Fix two build error introduced by commit 63dca2c0:
"ipvs: Fix faulty IPv6 extension header handling in IPVS"
First build error was fairly trivial and can occur, when
CONFIG_IP_VS_IPV6 is disabled.
The second build error was tricky, and can occur when deselecting
both all Netfilter and IPVS, but selecting CONFIG_IPV6. This is
caused by "kernel/sysctl_binary.c" including "net/ip_vs.h", which
includes "linux/netfilter_ipv6/ip6_tables.h" causing include
of "include/linux/netfilter/x_tables.h" which then cannot find
the typedef nf_hookfn.
Fix this by only including "linux/netfilter_ipv6/ip6_tables.h" in
case of CONFIG_IP_VS_IPV6 as its already used to guard the usage
of ipv6_find_hdr().
Reported-by: Fengguang Wu <fengguang.wu@xxxxxxxxx>
Reported-by: Yuanhan Liu <yuanhan.liu@xxxxxxxxxxxxxxx>
Signed-off-by: Jesper Dangaard Brouer <brouer@xxxxxxxxxx>
Signed-off-by: Simon Horman <horms@xxxxxxxxxxxx>
---
include/net/ip_vs.h | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h
index a681ad6..68c69d5 100644
--- a/include/net/ip_vs.h
+++ b/include/net/ip_vs.h
@@ -22,7 +22,7 @@
#include <linux/ip.h>
#include <linux/ipv6.h> /* for struct ipv6hdr */
#include <net/ipv6.h>
-#if IS_ENABLED(CONFIG_IPV6)
+#if IS_ENABLED(CONFIG_IP_VS_IPV6)
#include <linux/netfilter_ipv6/ip6_tables.h>
#endif
#if IS_ENABLED(CONFIG_NF_CONNTRACK)
@@ -212,8 +212,9 @@ ip_vs_fill_iph_addr_only(int af, const struct sk_buff *skb,
(struct ipv6hdr *)skb_network_header(skb);
iphdr->saddr.in6 = iph->saddr;
iphdr->daddr.in6 = iph->daddr;
- } else {
+ } else
#endif
+ {
const struct iphdr *iph =
(struct iphdr *)skb_network_header(skb);
iphdr->saddr.ip = iph->saddr;
--
1.7.10.4
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