netdev - Re: [PATCH] net:dev: Change napi_gro

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Date:   Sat, 02 Oct 2021 00:22:04 -0700
From:   Joe Perches <joe@...ches.com>
To:     Gyumin Hwang <hkm73560@...il.com>,
        "David S . Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Herbert Xu <herbert@...dor.apana.org.au>
Cc:     Daniel Borkmann <daniel@...earbox.net>,
        Antoine Tenart <atenart@...nel.org>, netdev@...r.kernel.org
Subject: Re: [PATCH] net:dev: Change napi_gro_complete return type to void

On Sat, 2021-10-02 at 06:11 +0000, Gyumin Hwang wrote:
> napi_gro_complete always returned the same value, NET_RX_SUCCESS
> And the value was not used anywhere
[]
> diff --git a/net/core/dev.c b/net/core/dev.c
[]
> @@ -5868,12 +5868,12 @@ static int napi_gro_complete(struct napi_struct *napi, struct sk_buff *skb)
>  	if (err) {
>  		WARN_ON(&ptype->list == head);
>  		kfree_skb(skb);
> -		return NET_RX_SUCCESS;
> +		return;
>  	}
>  
> 
>  out:
>  	gro_normal_one(napi, skb, NAPI_GRO_CB(skb)->count);
> -	return NET_RX_SUCCESS;
> +	return;

unnecessary return at function end

>  }