linux-kernel - Re: [PATCH 1/2] Fix pointer dereference before call to pcie_bus_configure

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Message-ID: <CA+55aFzH4u11t5b8AWJoYbJS+18U5fzGoH17tv9UTDfC3WHhPA@mail.gmail.com>
Date:	Fri, 9 Sep 2011 19:50:18 -0700
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Jon Mason <mason@...i.com>
Cc:	Jesse Barnes <jbarnes@...tuousgeek.org>,
	linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
	Shyam Iyer <shyam.iyer.t@...il.com>,
	Shyam Iyer <shyam_iyer@...l.com>,
	Stanislaw Gruszka <sgruszka@...hat.com>
Subject: Re: [PATCH 1/2] Fix pointer dereference before call to pcie_bus_configure_settings

On Fri, Sep 9, 2011 at 5:59 PM, Jon Mason <mason@...i.com> wrote:
>
> There is a potential NULL pointer dereference in calls to
> pcie_bus_configure_settings due to attempts to access pci_bus self
> variables when the self pointer is NULL.  To correct this, verify that
> the self pointer in pci_bus is non-NULL before dereferencing it.

Thanks,

               Linus
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