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Date:   Tue, 18 Jun 2019 18:13:40 +0200
From:   Greg KH <gregkh@linuxfoundation.org>
To:     Muchun Song <smuchun@gmail.com>
Cc:     "Rafael J. Wysocki" <rafael@kernel.org>,
        Benjamin Herrenschmidt <benh@kernel.crashing.org>,
        Prateek Sood <prsood@codeaurora.org>,
        Mukesh Ojha <mojha@codeaurora.org>, gkohli@codeaurora.org,
        linux-kernel <linux-kernel@vger.kernel.org>,
        linux-arm-msm <linux-arm-msm@vger.kernel.org>,
        zhaowuyun@wingtech.com
Subject: Re: [PATCH v4] driver core: Fix use-after-free and double free on
 glue directory
Message-ID: <20190618161340.GA13983@kroah.com>
References: <20190516142342.28019-1-smuchun@gmail.com>
 <20190524190443.GB29565@kroah.com>
 <CAPSr9jH3sowszuNtBaTM1Wdi9vW+iakYX1G3arj+2_r5r7bYwQ@mail.gmail.com>
 <CAPSr9jFG17YnQC3UZrTZjqytB5wpTMeqqqOcJ7Sf6gAr8o5Uhg@mail.gmail.com>
 <20190618152859.GB1912@kroah.com>
 <CAPSr9jFMKb1bQAbCFLqP2+fb60kcbyJ+cDspkL5FH28CNKFz3A@mail.gmail.com>
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On Wed, Jun 19, 2019 at 12:09:40AM +0800, Muchun Song wrote:
> Greg KH <gregkh@linuxfoundation.org> 于2019年6月18日周二 下午11:29写道：
> >
> > On Tue, Jun 18, 2019 at 09:40:13PM +0800, Muchun Song wrote:
> > > Ping guys ? I think this is worth fixing.
> >
> > That's great (no context here), but I need people to actually agree on
> > what the correct fix should be.  I had two different patches that were
> > saying they fixed the same issue, and that feels really wrong.
> 
> Another patch:
>     Subject: [PATCH v3] drivers: core: Remove glue dirs early only
> when refcount is 1
> 
> My first v1 patch:
>     Subject: [PATCH] driver core: Fix use-after-free and double free
> on glue directory
> 
> The above two patches are almost the same that fix is based on the refcount.
> But why we change the solution from v1 to v4? Some discussion can
> refer to the mail:
> 
>     Subject: [PATCH] driver core: Fix use-after-free and double free
> on glue directory

Again, I am totally confused and do not see a patch in an email that I
can apply...

Someone needs to get people to agree here...

thanks,

greg k-h