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

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Date:   Fri, 15 Mar 2019 12:54:06 +0100
From:   Simon Horman <horms@...ge.net.au>
To:     Kangjie Lu <kjlu@....edu>
Cc:     Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Bjorn Helgaas <bhelgaas@...gle.com>, linux-pci@...r.kernel.org,
        linux-renesas-soc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] pci: pcie-rcar: fix a potential NULL pointer
 dereference

On Fri, Mar 15, 2019 at 02:29:43AM -0500, Kangjie Lu 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>
> Reviewed-by: Geert Uytterhoeven <geert+renesas@...der.be>

Reviewed-by: Simon Horman <horms+renesas@...ge.net.au>