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Message-ID: <20150825043348.GX2619@sapphire.tkos.co.il>
Date: Tue, 25 Aug 2015 07:33:48 +0300
From: Baruch Siach <baruch@...s.co.il>
To: Julia Lawall <Julia.Lawall@...6.fr>
Cc: Linus Walleij <linus.walleij@...aro.org>,
kernel-janitors@...r.kernel.org, linux-gpio@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] pinctrl: digicolor: convert null test to IS_ERR test
Hi Julia,
On Mon, Aug 24, 2015 at 11:12:27PM +0200, Julia Lawall wrote:
> Since commit 323de9efdf3e ("pinctrl: make pinctrl_register() return proper
> error code"), pinctrl_register returns an error code rather than NULL on
> failure. Update a driver that was introduced more recently.
>
> The semantic patch that makes this change is as follows:
> (http://coccinelle.lip6.fr/)
>
> // <smpl>
> @@
> expression e,e1,e2;
> @@
>
> e = pinctrl_register(...)
> ... when != e = e1
> if (
> - e == NULL
> + IS_ERR(e)
> ) {
> ...
> return
> - e2
> + PTR_ERR(e)
> ;
> }
> // </smpl>
>
> Signed-off-by: Julia Lawall <Julia.Lawall@...6.fr>
Acked-by: Baruch Siach <baruch@...s.co.il>
Thanks,
baruch
> drivers/pinctrl/pinctrl-digicolor.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/pinctrl/pinctrl-digicolor.c b/drivers/pinctrl/pinctrl-digicolor.c
> index 461fffc..11f8b83 100644
> --- a/drivers/pinctrl/pinctrl-digicolor.c
> +++ b/drivers/pinctrl/pinctrl-digicolor.c
> @@ -337,9 +337,9 @@ static int dc_pinctrl_probe(struct platform_device *pdev)
> pmap->dev = &pdev->dev;
>
> pmap->pctl = pinctrl_register(pctl_desc, &pdev->dev, pmap);
> - if (!pmap->pctl) {
> + if (IS_ERR(pmap->pctl)) {
> dev_err(&pdev->dev, "pinctrl driver registration failed\n");
> - return -EINVAL;
> + return PTR_ERR(pmap->pctl);
> }
>
> ret = dc_gpiochip_add(pmap, pdev->dev.of_node);
--
http://baruch.siach.name/blog/ ~. .~ Tk Open Systems
=}------------------------------------------------ooO--U--Ooo------------{=
- baruch@...s.co.il - tel: +972.2.679.5364, http://www.tkos.co.il -
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