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net: use IS_ENABLED(CONFIG_IPV6)

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Instead of testing defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet
2011-12-10 09:48:31 +00:00
committed by David S. Miller
parent 1ded132d4c
commit dfd56b8b38
48 changed files with 161 additions and 164 deletions
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8
net/ipv4/ip_gre.c
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@@ -46,7 +46,7 @@
#include <net/rtnetlink.h>
#include <net/gre.h>
#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
#if IS_ENABLED(CONFIG_IPV6)
#include <net/ipv6.h>
#include <net/ip6_fib.h>
#include <net/ip6_route.h>
@@ -729,7 +729,7 @@ static netdev_tx_t ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev
if ((dst = rt->rt_gateway) == 0)
goto tx_error_icmp;
}
#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
#if IS_ENABLED(CONFIG_IPV6)
else if (skb->protocol == htons(ETH_P_IPV6)) {
struct neighbour *neigh = dst_get_neighbour_noref(skb_dst(skb));
const struct in6_addr *addr6;
@@ -799,7 +799,7 @@ static netdev_tx_t ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev
goto tx_error;
}
}
#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
#if IS_ENABLED(CONFIG_IPV6)
else if (skb->protocol == htons(ETH_P_IPV6)) {
struct rt6_info *rt6 = (struct rt6_info *)skb_dst(skb);
@@ -875,7 +875,7 @@ static netdev_tx_t ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev
if ((iph->ttl = tiph->ttl) == 0) {
if (skb->protocol == htons(ETH_P_IP))
iph->ttl = old_iph->ttl;
#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
#if IS_ENABLED(CONFIG_IPV6)
else if (skb->protocol == htons(ETH_P_IPV6))
iph->ttl = ((const struct ipv6hdr *)old_iph)->hop_limit;
#endif