linux-kernel - Re: [PATCH v5 iwl-next] i40e: Use correct buffer size in i40e_dbg_command

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Message-ID: <20231209191145.GD5817@kernel.org>
Date:   Sat, 9 Dec 2023 19:11:45 +0000
From:   Simon Horman <horms@...nel.org>
To:     Kunwu Chan <chentao@...inos.cn>
Cc:     jesse.brandeburg@...el.com, anthony.l.nguyen@...el.com,
        davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
        pabeni@...hat.com, jeffrey.t.kirsher@...el.com,
        shannon.nelson@....com, intel-wired-lan@...ts.osuosl.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        Alexander Lobakin <aleksander.lobakin@...el.com>,
        Kunwu Chan <kunwu.chan@...mail.com>
Subject: Re: [PATCH v5 iwl-next] i40e: Use correct buffer size in
 i40e_dbg_command_read

On Fri, Dec 08, 2023 at 11:19:50AM +0800, Kunwu Chan wrote:
> The size of "i40e_dbg_command_buf" is 256, the size of "name"
> depends on "IFNAMSIZ", plus a null character and format size,
> the total size is more than 256.
> 
> Improve readability and maintainability by replacing a hardcoded string
> allocation and formatting by the use of the kasprintf() helper.
> 
> Fixes: 02e9c290814c ("i40e: debugfs interface")
> Suggested-by: Simon Horman <horms@...nel.org>
> Suggested-by: Alexander Lobakin <aleksander.lobakin@...el.com>
> Suggested-by: Tony Nguyen <anthony.l.nguyen@...el.com>
> Cc: Kunwu Chan <kunwu.chan@...mail.com>
> Signed-off-by: Kunwu Chan <chentao@...inos.cn>

Reviewed-by: Simon Horman <horms@...nel.org>