linux-kernel - Re: [stable/4.14.y PATCH 0/3] mmc: Fix a potential resource leak when shutting down request queue.

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Message-ID: <20190514004306.GF11972@sasha-vm>
Date:   Mon, 13 May 2019 20:43:06 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     Raul E Rangel <rrangel@...omium.org>
Cc:     stable@...r.kernel.org, linux-mmc@...r.kernel.org,
        djkurtz@...gle.com, adrian.hunter@...el.com, zwisler@...omium.org,
        Linus Walleij <linus.walleij@...aro.org>,
        linux-kernel@...r.kernel.org, Chris Boot <bootc@...tc.net>,
        Clément Péron <peron.clem@...il.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Ulf Hansson <ulf.hansson@...aro.org>
Subject: Re: [stable/4.14.y PATCH 0/3] mmc: Fix a potential resource leak
 when shutting down request queue.

On Mon, May 13, 2019 at 11:55:18AM -0600, Raul E Rangel wrote:
>I think we should cherry-pick 41e3efd07d5a02c80f503e29d755aa1bbb4245de
>https://lore.kernel.org/patchwork/patch/856512/ into 4.14. It fixes a
>potential resource leak when shutting down the request queue.
>
>Once this patch is applied, there is a potential for a null pointer dereference.
>That's what the second patch fixes.
>
>The third patch is just an optimization to stop processing earlier.

Is this actually part of a fix? Why do we want this optimization?

--
Thanks,
Sasha