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Date:   Sun, 28 Apr 2019 22:49:42 +0800
From:   Muchun Song <smuchun@...il.com>
To:     gregkh@...uxfoundation.org, rafael@...nel.org
Cc:     Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        zhaowuyun@...gtech.com
Subject: Re: [PATCH] driver core: Fix use-after-free and double free on glue directory

Hi Greg and Rafael:


Benjamin Herrenschmidt <benh@...nel.crashing.org> 于2019年4月28日周日 下午6:10写道:
>
> The basic idea yes, the whole bool *locked is horrid though. Wouldn't it
> work to have a get_device_parent_locked that always returns with the mutex held,
> or just move the mutex to the caller or something simpler like this ?
>

Greg and Rafael, do you have any suggestions for this? Or you also
agree with Ben?

Yours,
Muchun

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