From: Lee Jones <lee.jo...@linaro.org>
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.jo...@linaro.org>
Signed-off-by: Linus Walleij <linus.wall...@linaro.org>
---
drivers/pinctrl/pinctrl-abx500.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/pinctrl/pinctrl-abx500.c b/drivers/pinctrl/pinctrl-abx500.c
index 426b47c..81ef515 100644
--- a/drivers/pinctrl/pinctrl-abx500.c
+++ b/drivers/pinctrl/pinctrl-abx500.c
@@ -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");
--
1.7.11.3
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