Re: include/linux/ipv6.h error?

[Arnaldo Carvalho de Melo <acme@conectiva.com.br>]

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Mateusz Berezecki wrote:
> inet_sk(__sk) returns pointer to inet_sock structure which has pinet6 
> field defined
> or not defined depending on kernel configuration during compilation time
> 
> #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
>        struct ipv6_pinfo       *pinet6;
> #endif
> 
> the function below causes compilation error in kernel configs with 
> neither CONFIG_IPV6 nor
> CONFIG_IPV6_MODULE defined.
> 
> should these functions be included between
> #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
> 
> static inline struct ipv6_pinfo * inet6_sk(const struct sock *__sk)
> {
>        return inet_sk(__sk)->pinet6;
> }
> 
> static inline struct raw6_opt * raw6_sk(const struct sock *__sk)
> {
>        return &((struct raw6_sock *)__sk)->raw6;
> }
> #endif
> 
> 
> ?? or should the #ifdef directive be removed from ipv6.h header file?

My fault, sorry... James Bottomley already pointed this out to me and I already
sent a fix to David Miller, CCed to netdev, here for convenience. It only
happens when you don't select IPV6.

I kindly suggest that such reports, related to networking development, at
least be CCed to netdev@oss.sgi.com.

- Arnaldo

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===== include/linux/ipv6.h 1.23 vs edited =====
--- 1.23/include/linux/ipv6.h	2004-12-27 23:56:33 -02:00
+++ edited/include/linux/ipv6.h	2004-12-29 20:22:45 -02:00
@@ -273,6 +273,7 @@
 	struct ipv6_pinfo inet6;
 };
 
+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
 static inline struct ipv6_pinfo * inet6_sk(const struct sock *__sk)
 {
 	return inet_sk(__sk)->pinet6;
@@ -283,7 +284,6 @@
 	return &((struct raw6_sock *)__sk)->raw6;
 }
 
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
 #define __ipv6_only_sock(sk)	(inet6_sk(sk)->ipv6only)
 #define ipv6_only_sock(sk)	((sk)->sk_family == PF_INET6 && __ipv6_only_sock(sk))
 #else