netdev - Re: [PATCH] cfg80211: delete redundant free code

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Date:   Mon, 15 Nov 2021 10:24:02 +0100
From:   Johannes Berg <johannes@...solutions.net>
To:     liuguoqiang <liuguoqiang@...ontech.com>
Cc:     davem@...emloft.net, kuba@...nel.org,
        linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] cfg80211: delete redundant free code

On Mon, 2021-11-15 at 17:21 +0800, liuguoqiang wrote:
> When kzalloc failed and rdev->sacn_req or rdev->scan_msg is null, pass a
> null pointer to kfree is redundant, delete it and return directly.
> 

Arguably then we should not set creq=NULL at the beginning?

johannes