linux-kernel - Re: [PATCH] net: ethernet: i40e: fix build error

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Message-ID: <84982f95-940e-d278-f6a2-13a9f76823c9@cogentembedded.com>
Date:   Tue, 4 Sep 2018 13:54:28 +0300
From:   Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:     Wang Dongsheng <dongsheng.wang@...-semitech.com>,
        jeffrey.t.kirsher@...el.com
Cc:     jacob.e.keller@...el.com, davem@...emloft.net,
        intel-wired-lan@...ts.osuosl.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] net: ethernet: i40e: fix build error

On 9/4/2018 12:48 PM, Wang Dongsheng wrote:

> Remove "inline" from __i40e_add_stat_strings.
> 
> In file included from
> drivers/net/ethernet/intel/i40e/i40e_ethtool.c:9:0:
> drivers/net/ethernet/intel/i40e/i40e_ethtool.c: In function
> ‘__i40e_add_stat_strings’:
> drivers/net/ethernet/intel/i40e/i40e_ethtool_stats.h:193:20: error:
> function ‘__i40e_add_stat_strings’ can never be inlined because it uses
> variable argument lists
>   static inline void __i40e_add_stat_strings(u8 **p, const struct
> 					    i40e_stats stats[],
> 
> Signed-off-by: Wang Dongsheng <dongsheng.wang@...-semitech.com>
> ---
>   drivers/net/ethernet/intel/i40e/i40e_ethtool_stats.h | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/net/ethernet/intel/i40e/i40e_ethtool_stats.h b/drivers/net/ethernet/intel/i40e/i40e_ethtool_stats.h
> index bba1cb0..0290ade 100644
> --- a/drivers/net/ethernet/intel/i40e/i40e_ethtool_stats.h
> +++ b/drivers/net/ethernet/intel/i40e/i40e_ethtool_stats.h
> @@ -190,7 +190,7 @@ struct i40e_stats {
>    * Format and copy the strings described by stats into the buffer pointed at
>    * by p.
>    **/
> -static inline void __i40e_add_stat_strings(u8 **p, const struct i40e_stats stats[],
> +static void __i40e_add_stat_strings(u8 **p, const struct i40e_stats stats[],

    You can't have non-inline function in a header file. Please move it, 
leaving only prototype here.

>   				    const unsigned int size, ...)
>   {
>   	unsigned int i;

MBR, Sergei