linux-kernel - Re: [PATCH v2] pci: pcie-rcar: fix a potential NULL pointer dereference

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Message-ID: <CAMuHMdX=XwxVFb1eLupmyHBOMBGzB+=RXxcUCH9D-J1+YKiq5w@mail.gmail.com>
Date:   Thu, 14 Mar 2019 09:10:12 +0100
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Kangjie Lu <kjlu@....edu>
Cc:     pakki001@....edu, Simon Horman <horms@...ge.net.au>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        linux-pci <linux-pci@...r.kernel.org>,
        Linux-Renesas <linux-renesas-soc@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] pci: pcie-rcar: fix a potential NULL pointer dereference

On Thu, Mar 14, 2019 at 9:08 AM Kangjie Lu <kjlu@....edu> wrote:
> In case __get_free_pages fails and returns NULL, the fix returns
> -ENOMEM and releases resources to avoid NULL pointer dereference.
>
> Signed-off-by: Kangjie Lu <kjlu@....edu>

Please keep my
Reviewed-by: Geert Uytterhoeven <geert+renesas@...der.be>

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds