Messages in this thread | | | Subject | Re: [PATCH] drm/tegra: dpaux: Fix error handling | From | Jon Hunter <> | Date | Mon, 31 Oct 2016 10:14:39 +0000 |
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On 28/10/16 10:09, 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@wanadoo.fr> > --- > drivers/gpu/drm/tegra/dpaux.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/tegra/dpaux.c b/drivers/gpu/drm/tegra/dpaux.c > index 059f409556d5..2fde44c3a1b3 100644 > --- a/drivers/gpu/drm/tegra/dpaux.c > +++ b/drivers/gpu/drm/tegra/dpaux.c > @@ -539,9 +539,9 @@ static int tegra_dpaux_probe(struct platform_device *pdev) > dpaux->desc.owner = THIS_MODULE; > > dpaux->pinctrl = devm_pinctrl_register(&pdev->dev, &dpaux->desc, dpaux); > - if (!dpaux->pinctrl) { > + if (IS_ERR(dpaux->pinctrl)) { > dev_err(&pdev->dev, "failed to register pincontrol\n"); > - return -ENODEV; > + return PTR_ERR(dpaux->pinctrl); > } > #endif > /* enable and clear all interrupts */
Thanks for the fix!
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Cheers Jon
-- nvpublic
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