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gpio: mc33880: use devm_kzalloc() 

Use devm_kzalloc() to make cleanup paths simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Jingoo Han 2013-03-15 18:15:49 +09:00 committed by Linus Walleij
parent b09638a4d6
commit 632d8e55d1
1 changed files with 3 additions and 5 deletions
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8
drivers/gpio/gpio-mc33880.c
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@ -101,7 +101,7 @@ static int mc33880_probe(struct spi_device *spi)
if (ret < 0)
return ret;
mc = kzalloc(sizeof(struct mc33880), GFP_KERNEL);
mc = devm_kzalloc(&spi->dev, sizeof(struct mc33880), GFP_KERNEL);
if (!mc)
return -ENOMEM;
@ -143,7 +143,6 @@ static int mc33880_probe(struct spi_device *spi)
exit_destroy:
dev_set_drvdata(&spi->dev, NULL);
mutex_destroy(&mc->lock);
kfree(mc);
return ret;
}
@ -159,10 +158,9 @@ static int mc33880_remove(struct spi_device *spi)
dev_set_drvdata(&spi->dev, NULL);
ret = gpiochip_remove(&mc->chip);
if (!ret) {
if (!ret)
mutex_destroy(&mc->lock);
kfree(mc);
} else
else
dev_err(&spi->dev, "Failed to remove the GPIO controller: %d\n",
ret);