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From: Antoine Tenart <atenart@kernel.org>
To: Hangbin Liu <hangbin.liu@linux.dev>
Cc: "David S. Miller" <davem@davemloft.net>,
	 Eric Dumazet <edumazet@kernel.org>,
	Jakub Kicinski <kuba@kernel.org>,
	 Paolo Abeni <pabeni@redhat.com>, Simon Horman <horms@kernel.org>,
	Shuah Khan <shuah@kernel.org>,
	 Willem de Bruijn <willemb@google.com>,
	netdev@vger.kernel.org, linux-kselftest@vger.kernel.org,
	 linux-kernel@vger.kernel.org,
	Hangbin Liu <liuhangbin@kylinos.cn>
Subject: Re: [PATCH net] selftests: gro: remove unused variable total_data
Date: Thu, 22 Oct 2026 09:52:18 +0200	[thread overview]
Message-ID: <atnAmOuzTuL-0f4u@kwain> (raw)
In-Reply-To: <20261022-self_unused_var-v1-1-8ab10a6b7f44@kylinos.cn>

On Thu, Oct 22, 2026 at 11:09:35AM +0800, Hangbin Liu wrote:
> From: Hangbin Liu <liuhangbin@kylinos.cn>
> 
> I hit a build warning when building the net selftests.
> 
>   gro.c: In function 'check_capacity_pkts':                                                                                                                                                                                     gro.c:1249:13: warning: variable 'total_data' set but not used [-Wunused-but-set-variable=]
>    1249 |         int total_data = 0;
>         |             ^~~~~~~~~~
> 
> Remove the total_data variable, as it is no longer used.
> 
> Fixes: d97348474708 ("selftests: drv-net: gro: always wait for FIN in the capacity test")
> Signed-off-by: Hangbin Liu <liuhangbin@kylinos.cn>

Reviewed-by: Antoine Tenart <atenart@kernel.org>

> ---
>  tools/testing/selftests/net/lib/gro.c | 2 --
>  1 file changed, 2 deletions(-)
> 
> diff --git a/tools/testing/selftests/net/lib/gro.c b/tools/testing/selftests/net/lib/gro.c
> index 7a333155de1a..1bc92e7a625f 100644
> --- a/tools/testing/selftests/net/lib/gro.c
> +++ b/tools/testing/selftests/net/lib/gro.c
> @@ -1246,7 +1246,6 @@ static void check_capacity_pkts(int fd)
>  	int coalesced[num_flows];
>  	struct tcphdr *tcph;
>  	int ip_ext_len = 0;
> -	int total_data = 0;
>  	int pkt_size = -1;
>  	int data_len = 0;
>  	int flow_id;
> @@ -1309,7 +1308,6 @@ static void check_capacity_pkts(int fd)
>  		}
>  
>  		num_pkt++;
> -		total_data += data_len;
>  	}
>  
>  	/* Check flow ordering. We expect to see all non-coalesced first segs
> 
> ---
> base-commit: e0a958ddfc89f2e1c43448cdaeb5b30e54e19448
> change-id: 20261022-self_unused_var-d54af8d61a56
> 
> Best regards,
> --  
> Hangbin Liu <liuhangbin@kylinos.cn>
> 

  reply	other threads:[~2026-10-22  7:52 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-10-22  3:09 Hangbin Liu
2026-10-22  7:52 ` Antoine Tenart [this message]
2026-10-22 15:23   ` Willem de Bruijn

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