Re: [PATCH] ipvs: fix header inline net_ipvs function to work without CONFIG_IP_VS

[Nicolas Dichtel <nicolas.dichtel@6wind.com>]

Le 25/03/2015 09:53, Rafał Miłecki a écrit :
> Including net/ip_vs.h without CONFIG_IP_VS was causing:
> include/net/ip_vs.h: In function 'net_ipvs':
> include/net/ip_vs.h:35:12: error: 'struct net' has no member named 'ipvs'
>
> Fixes: 8b4d14d8eb368 ("netns: exclude ipvs from struct net when IPVS disabled")
> Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
> ---
>   include/net/ip_vs.h | 3 +++
>   1 file changed, 3 insertions(+)
>
> diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h
> index 615b20b..cd3942f 100644
> --- a/include/net/ip_vs.h
> +++ b/include/net/ip_vs.h
> @@ -32,7 +32,10 @@
>   /* Generic access of ipvs struct */
>   static inline struct netns_ipvs *net_ipvs(struct net* net)
>   {
> +#if IS_ENABLED(CONFIG_IP_VS)
>   	return net->ipvs;
> +#endif
> +	return NULL;
>   }
This function is used only by the ipvs module, maybe it should be defined only
when CONFIG_IP_VS is set?

Anyway, it must not return NULL, all callers assume that the pointer is valid.
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