linux-kernel - Re: [PATCH] misc: alcor_pci: fix null-ptr-deref when there is no PCI bridge

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Message-ID: <CAA5qM4BXfW-gyoUJ3FraZFqmG576Bx0g1Atm__a2oqzBwH=-Gg@mail.gmail.com>
Date:   Tue, 11 May 2021 14:32:24 -0700
From:   Tong Zhang <ztong0001@...il.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Arnd Bergmann <arnd@...db.de>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] misc: alcor_pci: fix null-ptr-deref when there is no PCI bridge

On Tue, May 11, 2021 at 10:57 AM Greg Kroah-Hartman
<gregkh@...uxfoundation.org> wrote:
>
> I suggest, again, steping back up and just not calling this function if
> you are on the root, as it does not make any sense to do so for a device
> that is not there.
>
Agreed.
I did a revision based on your suggestion and sent it as v2.
Thanks,
- Tong

> thanks,
>
> greg k-h