From mboxrd@z Thu Jan  1 00:00:00 1970
From: Arnd Bergmann <arnd@arndb.de>
Subject: Re: [PATCH 11/17] soc: ti: pruss: add pruss_get()/put() API
Date: Fri, 23 Nov 2018 09:20:38 +0100
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To: Roger Quadros <rogerq@ti.com>
Cc: Tony Lindgren <tony@atomide.com>, Rob Herring <robh+dt@kernel.org>, Beno??t Cousson <bcousson@baylibre.com>, Santosh Shilimkar <ssantosh@kernel.org>, Ohad Ben-Cohen <ohad@wizery.com>, Bjorn Andersson <bjorn.andersson@linaro.org>, Suman Anna <s-anna@ti.com>, Sekhar Nori <nsekhar@ti.com>, Tero Kristo <t-kristo@ti.com>, nsaulnier@ti.com, jreeder@ti.com, Murali Karicheri <m-karicheri2@ti.com>, woods.technical@gmail.com, linux-omap <linux-omap@vger.kernel.org>, linux-remoteproc@vger.kernel.org, Linux Kernel Mailing List <linux-kernel@vger.kernel.org>, DTML <devicetree@vger.kernel.org>
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On Thu, Nov 22, 2018 at 12:41 PM Roger Quadros <rogerq@ti.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