netdev - Re: [PATCH] ath11k: Fix pointer dereferenced before checking

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Message-ID: <165285847598.17755.2700505085056283549.kvalo@kernel.org>
Date:   Wed, 18 May 2022 07:21:17 +0000 (UTC)
From:   Kalle Valo <kvalo@...nel.org>
To:     Haowen Bai <baihaowen@...zu.com>
Cc:     "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        "Paolo Abeni" <pabeni@...hat.com>,
        Haowen Bai <baihaowen@...zu.com>, <ath11k@...ts.infradead.org>,
        <linux-wireless@...r.kernel.org>, <netdev@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] ath11k: Fix pointer dereferenced before checking

Haowen Bai <baihaowen@...zu.com> wrote:

> The pointer sspec is dereferencing pointer sar before sar is being
> null checked. Fix this by assigning sar->sub_specs to sspec only if
> sar is not NULL, otherwise just NULL. The code has checked sar whether
> it is NULL or not as below, but use before checking.
> 
> Signed-off-by: Haowen Bai <baihaowen@...zu.com>

I prefer Baochen's version:

https://patchwork.kernel.org/project/linux-wireless/patch/20220517004844.2412660-1-quic_bqiang@quicinc.com/

Patch set to Superseded.

-- 
https://patchwork.kernel.org/project/linux-wireless/patch/1652671437-20235-1-git-send-email-baihaowen@meizu.com/

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