netdev - Re: [PATCH] udp: make function udp_skb_dtor

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Date:   Wed, 17 May 2017 11:19:33 +0200
From:   Paolo Abeni <pabeni@...hat.com>
To:     Colin King <colin.king@...onical.com>,
        "David S . Miller" <davem@...emloft.net>,
        Alexey Kuznetsov <kuznet@....inr.ac.ru>,
        James Morris <jmorris@...ei.org>,
        Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
        Patrick McHardy <kaber@...sh.net>, netdev@...r.kernel.org
Cc:     kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] udp: make function udp_skb_dtor_locked static

On Wed, 2017-05-17 at 09:50 +0100, Colin King wrote:
> From: Colin Ian King <colin.king@...onical.com>
> 
> Function udp_skb_dtor_locked does not need to be in global scope
> so make it static to fix sparse warning:
> 
> net/ipv4/udp.c: warning: symbol 'udp_skb_dtor_locked' was not
> declared. Should it be static?
> 
> Fixes: 6dfb4367cd911d ("udp: keep the sk_receive_queue held when splicing")
> Signed-off-by: Colin Ian King <colin.king@...onical.com>
> ---
>  net/ipv4/udp.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
> index 7bd56c9889b3..922a62d45714 100644
> --- a/net/ipv4/udp.c
> +++ b/net/ipv4/udp.c
> @@ -1218,7 +1218,7 @@ void udp_skb_destructor(struct sock *sk, struct sk_buff *skb)
>  EXPORT_SYMBOL(udp_skb_destructor);
>  
>  /* as above, but the caller held the rx queue lock, too */
> -void udp_skb_dtor_locked(struct sock *sk, struct sk_buff *skb)
> +static void udp_skb_dtor_locked(struct sock *sk, struct sk_buff *skb)
>  {
>  	udp_rmem_release(sk, skb->dev_scratch, 1, true);
>  }

Acked-by: Paolo Abeni <pabeni@...hat.com>