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SubjectRe: [PATCH v2] drm/tegra: dpaux: Modify error handling
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On 15/08/16 05:57, Amitoj Kaur Chawla wrote:
> devm_pinctrl_register returns an ERR_PTR in case of error and should
> have an IS_ERR check instead of a null check.
>
> The Coccinelle semantic patch used to make this change is as follows:
> @@
> expression e;
> @@
>
> e = devm_pinctrl_register(...);
> if(
> - !e
> + IS_ERR(e)
> )
> {
> <+...
> return
> - ...
> + PTR_ERR(e)
> ;
> ...+>
> }
>
> Signed-off-by: Amitoj Kaur Chawla <amitoj1606@gmail.com>
> ---
> Changes in v2:
> -Correct typo
>
> 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 059f409..2fde44c 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 */
>

Acked-by: Jon Hunter <jonathanh@nvidia.com>

Cheers!
Jon

--
nvpublic

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