linux-kernel - Re: [PATCH wireless 1/2] ath: dfs_pattern_detector: Fix a memory initialization issue

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Date:   Mon, 25 Sep 2023 17:44:17 -0700
From:   Jeff Johnson <quic_jjohnson@...cinc.com>
To:     Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        Kalle Valo <kvalo@...nel.org>
CC:     <linux-kernel@...r.kernel.org>, <kernel-janitors@...r.kernel.org>,
        "Kalle Valo" <quic_kvalo@...cinc.com>,
        <linux-wireless@...r.kernel.org>
Subject: Re: [PATCH wireless 1/2] ath: dfs_pattern_detector: Fix a memory
 initialization issue

On 9/23/2023 11:57 PM, Christophe JAILLET wrote:
> If an error occurs and channel_detector_exit() is called, it relies on
> entries of the 'detectors' array to be NULL.
> Otherwise, it may access to un-initialized memory.
> 
> Fix it and initialize the memory, as what was done before the commit in
> Fixes.
> 
> Fixes: a063b650ce5d ("ath: dfs_pattern_detector: Avoid open coded arithmetic in memory allocation")
> Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>

Reviewed-by: Jeff Johnson <quic_jjohnson@...cinc.com>