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pinctrl: pistachio: Drop pinctrl_unregister for devm_ registered device

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It's not necessary to unregister pin controller device registered
with devm_pinctrl_register() and using pinctrl_unregister() leads
to a double free.

This is detected by Coccinelle semantic patch.

Signed-off-by: Wei Yongjun <weiyj.lk@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Wei Yongjun 2016-07-26 14:52:57 +00:00 committed by Linus Walleij
parent 5b236d0fde
commit b120a3c286
1 changed files with 1 additions and 8 deletions
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9
drivers/pinctrl/pinctrl-pistachio.c
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@ -1432,7 +1432,6 @@ static int pistachio_pinctrl_probe(struct platform_device *pdev)
{ {
struct pistachio_pinctrl *pctl; struct pistachio_pinctrl *pctl;
struct resource *res; struct resource *res;
int ret;
pctl = devm_kzalloc(&pdev->dev, sizeof(*pctl), GFP_KERNEL); pctl = devm_kzalloc(&pdev->dev, sizeof(*pctl), GFP_KERNEL);
if (!pctl) if (!pctl)
@ -1464,13 +1463,7 @@ static int pistachio_pinctrl_probe(struct platform_device *pdev)
return PTR_ERR(pctl->pctldev); return PTR_ERR(pctl->pctldev);
} }
ret = pistachio_gpio_register(pctl); return pistachio_gpio_register(pctl);
if (ret < 0) {
pinctrl_unregister(pctl->pctldev);
return ret;
}
return 0;
} }
static struct platform_driver pistachio_pinctrl_driver = { static struct platform_driver pistachio_pinctrl_driver = {