[PATCH 2/2] pinctrl: digicolor: convert null test to IS_ERR test
From: baruch@tkos.co.il (Baruch Siach)
Date: 2015-08-25 04:34:00
Also in:
kernel-janitors, linux-gpio, lkml
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 <redacted>Acked-by: Baruch Siach <baruch@tkos.co.il> Thanks, baruch
quoted hunk ↗ jump to hunk
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);
--
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