netdev - Re: [PATCH] iavf: Fix null pointer dereference in iavf_print_link

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Date: Tue, 12 Dec 2023 13:28:51 -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] iavf: Fix null pointer dereference in
 iavf_print_link_message

On Mon, 11 Dec 2023 10:59:27 +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")

No need for the allocation here, print to a buffer on the stack.
-- 
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