linux-kernel - Re: [PATCH 11/17] soc: ti: pruss: add pruss

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Date:   Fri, 23 Nov 2018 09:20:38 +0100
From:   Arnd Bergmann <arnd@...db.de>
To:     Roger Quadros <rogerq@...com>
Cc:     Tony Lindgren <tony@...mide.com>, Rob Herring <robh+dt@...nel.org>,
        "Beno??t Cousson" <bcousson@...libre.com>,
        Santosh Shilimkar <ssantosh@...nel.org>,
        Ohad Ben-Cohen <ohad@...ery.com>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Suman Anna <s-anna@...com>, Sekhar Nori <nsekhar@...com>,
        Tero Kristo <t-kristo@...com>, nsaulnier@...com,
        jreeder@...com, Murali Karicheri <m-karicheri2@...com>,
        woods.technical@...il.com, linux-omap <linux-omap@...r.kernel.org>,
        linux-remoteproc@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        DTML <devicetree@...r.kernel.org>
Subject: Re: [PATCH 11/17] soc: ti: pruss: add pruss_get()/put() API

On Thu, Nov 22, 2018 at 12:41 PM Roger Quadros <rogerq@...com> wrote:

> +
> +       if (IS_ERR_OR_NULL(rproc))
> +               return ERR_PTR(-EINVAL);


Any usage of  IS_ERR_OR_NULL() tends to be an indication of a badly
designed API. Please change this to allow only one of the two to be passed
around.

       Arnd