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net: fix build errors if ipv6 is disabled 

CONFIG_IPV6=n is still a valid choice ;)

It appears we can remove dead code.

Reported-by: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2013-10-09 03:05:48 -07:00 committed by David S. Miller
parent f69b923a75
commit c2bb06db59
5 changed files with 15 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
include/net/ip6_checksum.h
View File

@ -66,12 +66,14 @@ static inline void __tcp_v6_send_check(struct sk_buff *skb,
}
}
#if IS_ENABLED(CONFIG_IPV6)
static inline void tcp_v6_send_check(struct sock *sk, struct sk_buff *skb)
{
struct ipv6_pinfo *np = inet6_sk(sk);
__tcp_v6_send_check(skb, &np->saddr, &sk->sk_v6_daddr);
}
#endif
int udp6_csum_init(struct sk_buff *skb, struct udphdr *uh, int proto);
#endif

8
net/ipv4/ping.c
View File

@ -415,10 +415,12 @@ int ping_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len)
(int)sk->sk_bound_dev_if);
err = 0;
if ((sk->sk_family == AF_INET && isk->inet_rcv_saddr) ||
(sk->sk_family == AF_INET6 &&
!ipv6_addr_any(&sk->sk_v6_rcv_saddr)))
if (sk->sk_family == AF_INET && isk->inet_rcv_saddr)
sk->sk_userlocks |= SOCK_BINDADDR_LOCK;
#if IS_ENABLED(CONFIG_IPV6)
if (sk->sk_family == AF_INET6 && !ipv6_addr_any(&sk->sk_v6_rcv_saddr))
sk->sk_userlocks |= SOCK_BINDADDR_LOCK;
#endif
if (snum)
sk->sk_userlocks |= SOCK_BINDPORT_LOCK;

4
net/ipv4/tcp_metrics.c
View File

@ -251,10 +251,12 @@ static struct tcp_metrics_block *__tcp_get_metrics_tw(struct inet_timewait_sock
addr.addr.a4 = tw->tw_daddr;
hash = (__force unsigned int) addr.addr.a4;
break;
#if IS_ENABLED(CONFIG_IPV6)
case AF_INET6:
*(struct in6_addr *)addr.addr.a6 = tw->tw_v6_daddr;
hash = ipv6_addr_hash(&tw->tw_v6_daddr);
break;
#endif
default:
return NULL;
}
@ -286,10 +288,12 @@ static struct tcp_metrics_block *tcp_get_metrics(struct sock *sk,
addr.addr.a4 = inet_sk(sk)->inet_daddr;
hash = (__force unsigned int) addr.addr.a4;
break;
#if IS_ENABLED(CONFIG_IPV6)
case AF_INET6:
*(struct in6_addr *)addr.addr.a6 = sk->sk_v6_daddr;
hash = ipv6_addr_hash(&sk->sk_v6_daddr);
break;
#endif
default:
return NULL;
}

2
net/sunrpc/svcsock.c
View File

@ -291,12 +291,14 @@ static int svc_one_sock_name(struct svc_sock *svsk, char *buf, int remaining)
&inet_sk(sk)->inet_rcv_saddr,
inet_sk(sk)->inet_num);
break;
#if IS_ENABLED(CONFIG_IPV6)
case PF_INET6:
len = snprintf(buf, remaining, "ipv6 %s %pI6 %d\n",
proto_name,
&sk->sk_v6_rcv_saddr,
inet_sk(sk)->inet_num);
break;
#endif
default:
len = snprintf(buf, remaining, "*unknown-%d*\n",
sk->sk_family);

2
security/lsm_audit.c
View File

@ -302,6 +302,7 @@ static void dump_common_audit_data(struct audit_buffer *ab,
"faddr", "fport");
break;
}
#if IS_ENABLED(CONFIG_IPV6)
case AF_INET6: {
struct inet_sock *inet = inet_sk(sk);
@ -313,6 +314,7 @@ static void dump_common_audit_data(struct audit_buffer *ab,
"faddr", "fport");
break;
}
#endif
case AF_UNIX:
u = unix_sk(sk);
if (u->path.dentry) {