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pinctrl/abx500: destroy mutex if returning early due to error 

Current failure path neglects to mutex_destroy() before returning
an error due to an invalid parameter or an error received from
gpiochip_add(). This patch aims to remedy that behaviour.

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Lee Jones 2013-01-16 09:17:13 +00:00 committed by Linus Walleij
parent 83b423c885
commit d41e35c364
1 changed files with 3 additions and 0 deletions
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3
drivers/pinctrl/pinctrl-abx500.c
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@ -1155,11 +1155,13 @@ static int abx500_gpio_probe(struct platform_device *pdev)
default:
dev_err(&pdev->dev, "Unsupported pinctrl sub driver (%d)\n",
(int) platid->driver_data);
mutex_destroy(&pct->lock);
return -EINVAL;
}
if (!pct->soc) {
dev_err(&pdev->dev, "Invalid SOC data\n");
mutex_destroy(&pct->lock);
return -EINVAL;
}
@ -1176,6 +1178,7 @@ static int abx500_gpio_probe(struct platform_device *pdev)
ret = gpiochip_add(&pct->chip);
if (ret) {
dev_err(&pdev->dev, "unable to add gpiochip: %d\n", ret);
mutex_destroy(&pct->lock);
goto out_rem_irq;
}
dev_info(&pdev->dev, "added gpiochip\n");