[PATCH] drm/tegra: dpaux: Fix error handling

[Thierry Reding]

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 at wanadoo.fr>
> ---
>  drivers/gpu/drm/tegra/dpaux.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)

Applied, thanks.

Thierry
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