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Subject: Re: [PATCH] ath9k_hw: fix uninitialized variable data
From:   Kalle Valo <kvalo@codeaurora.org>
In-Reply-To: <20190926225604.9342-1-efremov@linux.com>
References: <20190926225604.9342-1-efremov@linux.com>
To:     Denis Efremov <efremov@linux.com>
Cc:     unlisted-recipients:; (no To-header on input)
        Denis Efremov <efremov@linux.com>,
        ath9k-devel@qca.qualcomm.com, linux-wireless@vger.kernel.org,
        netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
        Rajkumar Manoharan <rmanohar@qca.qualcomm.com>,
        "John W . Linville" <linville@tuxdriver.com>,
        "David S. Miller" <davem@davemloft.net>, stable@vger.kernel.org
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        Cc:     unlisted-recipients:; (no To-header on input)Denis Efremov <efremov@linux.com>
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Message-Id: <20191001111912.A75D36014B@smtp.codeaurora.org>
Date:   Tue,  1 Oct 2019 11:19:12 +0000 (UTC)
Sender: linux-kernel-owner@vger.kernel.org
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Denis Efremov <efremov@linux.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@qca.qualcomm.com>
> Cc: John W. Linville <linville@tuxdriver.com>
> Cc: Kalle Valo <kvalo@codeaurora.org>
> Cc: "David S. Miller" <davem@davemloft.net>
> Cc: stable@vger.kernel.org
> Signed-off-by: Denis Efremov <efremov@linux.com>
> Signed-off-by: Kalle Valo <kvalo@codeaurora.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