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SubjectRe: 2.6.20-git8 fails compile -- net/built-in.o __ipv6_addr_type
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In article <200702130236.l1D2a0u7014457@clem.clem-digital.net> (at Mon, 12 Feb 2007 21:35:59 -0500 (EST)), Pete Clements <clem@clem.clem-digital.net> says:

> Quoting YOSHIFUJIHideaki/=?iso-2022-jp?B?GyRCNUhGIzFRTEAbKEI=?=
> > In article <20070212181216.c55ca788.akpm@linux-foundation.org> (at Mon, 12 Feb 2007 18:12:16 -0800), Andrew Morton <akpm@linux-foundation.org> says:
> >
> > > > On Mon, 12 Feb 2007 20:10:13 -0500 (EST) Pete Clements <clem@clem.clem-digital.net> wrote:
> > > > 2.6.20-git8 fails compile:
> > > >
> > > > CHK include/linux/compile.h
> > > > UPD include/linux/compile.h
> > > > CC init/version.o
> > > > LD init/built-in.o
> > > > LD .tmp_vmlinux1
> > > > net/built-in.o: In function `svc_udp_recvfrom':
> > > > svcsock.c:(.text+0x61be4): undefined reference to `__ipv6_addr_type'
> > > > make: *** [.tmp_vmlinux1] Error 1
> > > >
> > >
> > > Please send the .config.
> >
> > and, the gcc version...
> >
> > --yoshfuji
> > -
>
> git 7 compiled just fine.

Ah, this is because of new ipv6 support in sunrpc code.
Enable it if it is statically compiled.

Alternatively, we could
- export __ipv6_addr_type in new net/ipv6/addrconf_core.c
or
- introduce tiny inline for chcking if the address is link-local.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>

diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c
index 63ae947..27dcb31 100644
--- a/net/sunrpc/svcsock.c
+++ b/net/sunrpc/svcsock.c
@@ -107,12 +107,12 @@ static inline void svc_reclassify_socket
sock_lock_init_class_and_name(sk, "slock-AF_INET-NFSD",
&svc_slock_key[0], "sk_lock-AF_INET-NFSD", &svc_key[0]);
break;
-
+#ifdef CONFIG_IPV6
case AF_INET6:
sock_lock_init_class_and_name(sk, "slock-AF_INET6-NFSD",
&svc_slock_key[1], "sk_lock-AF_INET6-NFSD", &svc_key[1]);
break;
-
+#endif
default:
BUG();
}
@@ -131,7 +131,7 @@ static char *__svc_print_addr(struct soc
NIPQUAD(((struct sockaddr_in *) addr)->sin_addr),
htons(((struct sockaddr_in *) addr)->sin_port));
break;
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if defined(CONFIG_IPV6)
case AF_INET6:
snprintf(buf, len, "%x:%x:%x:%x:%x:%x:%x:%x, port=%u",
NIP6(((struct sockaddr_in6 *) addr)->sin6_addr),
@@ -449,7 +449,7 @@ svc_wake_up(struct svc_serv *serv)

union svc_pktinfo_u {
struct in_pktinfo pkti;
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if defined(CONFIG_IPV6)
struct in6_pktinfo pkti6;
#endif
};
@@ -467,7 +467,7 @@ static void svc_set_cmsg_data(struct svc
cmh->cmsg_len = CMSG_LEN(sizeof(*pki));
}
break;
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if defined(CONFIG_IPV6)
case AF_INET6: {
struct in6_pktinfo *pki = CMSG_DATA(cmh);

@@ -737,7 +737,7 @@ static void svc_udp_get_sender_address(s
rqstp->rq_daddr.addr.s_addr = skb->nh.iph->daddr;
}
break;
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if defined(CONFIG_IPV6)
case AF_INET6: {
/* this is derived from net/ipv6/udp.c:udpv6_recvmesg */
struct sockaddr_in6 *sin6 = svc_addr_in6(rqstp);
@@ -977,7 +977,7 @@ static inline int svc_port_is_privileged
case AF_INET:
return ntohs(((struct sockaddr_in *)sin)->sin_port)
< PROT_SOCK;
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if defined(CONFIG_IPV6)
case AF_INET6:
return ntohs(((struct sockaddr_in6 *)sin)->sin6_port)
< PROT_SOCK;
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index 49cabff..877b52b 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -1187,11 +1187,12 @@ static inline void xs_reclassify_socket(
&xs_slock_key[0], "sk_lock-AF_INET-NFS", &xs_key[0]);
break;

+#ifdef CONFIG_IPV6
case AF_INET6:
sock_lock_init_class_and_name(sk, "slock-AF_INET6-NFS",
&xs_slock_key[1], "sk_lock-AF_INET6-NFS", &xs_key[1]);
break;
-
+#endif
default:
BUG();
}

--
YOSHIFUJI Hideaki @ USAGI Project <yoshfuji@linux-ipv6.org>
GPG-FP : 9022 65EB 1ECF 3AD1 0BDF 80D8 4807 F894 E062 0EEA
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