linux-kernel - Re: [PATCH] ath9k_hw: fix uninitialized variable data

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Date:   Tue,  1 Oct 2019 11:19:12 +0000 (UTC)
From:   Kalle Valo <kvalo@...eaurora.org>
To:     Denis Efremov <efremov@...ux.com>
Cc:     unlisted-recipients:; (no To-header on input)
        Denis Efremov <efremov@...ux.com>,
        ath9k-devel@....qualcomm.com, linux-wireless@...r.kernel.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        Rajkumar Manoharan <rmanohar@....qualcomm.com>,
        "John W . Linville" <linville@...driver.com>,
        "David S. Miller" <davem@...emloft.net>, stable@...r.kernel.org
Subject: Re: [PATCH] ath9k_hw: fix uninitialized variable data

Denis Efremov <efremov@...ux.com> wrote:

> Currently, data variable in ar9003_hw_thermo_cal_apply() could be
> uninitialized if ar9300_otp_read_word() will fail to read the value.
> Initialize data variable with 0 to prevent an undefined behavior. This
> will be enough to handle error case when ar9300_otp_read_word() fails.
> 
> Fixes: 80fe43f2bbd5 ("ath9k_hw: Read and configure thermocal for AR9462")
> Cc: Rajkumar Manoharan <rmanohar@....qualcomm.com>
> Cc: John W. Linville <linville@...driver.com>
> Cc: Kalle Valo <kvalo@...eaurora.org>
> Cc: "David S. Miller" <davem@...emloft.net>
> Cc: stable@...r.kernel.org
> Signed-off-by: Denis Efremov <efremov@...ux.com>
> Signed-off-by: Kalle Valo <kvalo@...eaurora.org>

Patch applied to ath-next branch of ath.git, thanks.

80e84f36412e ath9k_hw: fix uninitialized variable data

-- 
https://patchwork.kernel.org/patch/11163437/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches