linux-kernel - Re: [PATCH] drm/tegra: dpaux: Fix error handling

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Date:   Mon, 7 Nov 2016 13:00:27 +0100
From:   Thierry Reding <thierry.reding@...il.com>
To:     Christophe JAILLET <christophe.jaillet@...adoo.fr>
Cc:     airlied@...ux.ie, swarren@...dotorg.org, gnurou@...il.com,
        jonathanh@...dia.com, treding@...dia.com,
        dri-devel@...ts.freedesktop.org, linux-tegra@...r.kernel.org,
        linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: Re: [PATCH] drm/tegra: dpaux: Fix error handling

On Fri, Oct 28, 2016 at 11:09:45AM +0200, Christophe JAILLET wrote:
> 'devm_pinctrl_register()' returns an error pointer or a valid handle. So
> checking for NULL here is pointless and can never trigger.
> 
> Check the returned value with IS_ERR instead and propagate this value as
> done in the other functions which call 'devm_pinctrl_register()'
> 
> Fixes: 0751bb5c44fe ("drm/tegra: dpaux: Add pinctrl support")
> 
> Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
> ---
>  drivers/gpu/drm/tegra/dpaux.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)

Applied, thanks.

Thierry

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