linux-kernel - Re: [PATCH 15/16] of: unittest: initialize args before calling of_irq_parse

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Date:   Fri, 5 Oct 2018 09:53:08 -0500
From:   Rob Herring <robh+dt@...nel.org>
To:     Frank Rowand <frowand.list@...il.com>
Cc:     Pantelis Antoniou <pantelis.antoniou@...sulko.com>,
        Michael Ellerman <mpe@...erman.id.au>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Alan Tull <atull@...nel.org>, Moritz Fischer <mdf@...nel.org>,
        Guenter Roeck <linux@...ck-us.net>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        linuxppc-dev <linuxppc-dev@...ts.ozlabs.org>,
        devicetree@...r.kernel.org, linux-fpga@...r.kernel.org
Subject: Re: [PATCH 15/16] of: unittest: initialize args before calling of_irq_parse_one()

On Thu, Oct 4, 2018 at 11:14 PM <frowand.list@...il.com> wrote:
>
> From: Frank Rowand <frank.rowand@...y.com>
>
> Callers of of_irq_parse_one() blindly use the pointer args.np
> without checking whether of_irq_parse_one() had an error and
> thus did not set the value of args.np.  Initialize args to
> zero so that using the format "%pOF" to show the value of
> args.np will show "(null)" when of_irq_parse_one() has an
> error and does not set args.np instead of trying to
> dereference a random value.
>
> Reported-by: Guenter Roeck <linux@...ck-us.net>
> Signed-off-by: Frank Rowand <frank.rowand@...y.com>
> ---
>  drivers/of/unittest.c | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)

Does this need to be part of this series?

Rob