linux-kernel - Re: [PATCH] igb: Add null pointer check to igb_set_fw

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Date:   Tue, 12 Dec 2023 13:26:37 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     Kunwu Chan <chentao@...inos.cn>
Cc:     jesse.brandeburg@...el.com, anthony.l.nguyen@...el.com,
        davem@...emloft.net, edumazet@...gle.com, pabeni@...hat.com,
        jacob.e.keller@...el.com, przemyslaw.kitszel@...el.com,
        intel-wired-lan@...ts.osuosl.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, Kunwu Chan <kunwu.chan@...mail.com>
Subject: Re: [PATCH] igb: Add null pointer check to igb_set_fw_version

On Mon, 11 Dec 2023 11:13:36 +0800 Kunwu Chan wrote:
> kasprintf() returns a pointer to dynamically allocated memory
> which can be NULL upon failure.
> 
> Fixes: 1978d3ead82c ("intel: fix string truncation warnings")
> Cc: Kunwu Chan <kunwu.chan@...mail.com>
> Signed-off-by: Kunwu Chan <chentao@...inos.cn>

The allocation is rather pointless here.
Can you convert this code to use snprintf() instead?
-- 
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