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gpio: 74x164: Use devm_kzalloc 

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Florian Fainelli <florian@openwrt.org>
Acked-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Maxime Ripard 2012-09-05 10:40:51 +02:00 committed by Linus Walleij
parent ab3b878261
commit 72eac3020d
1 changed files with 3 additions and 5 deletions
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8
drivers/gpio/gpio-74x164.c
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@ -90,7 +90,7 @@ static int __devinit gen_74x164_probe(struct spi_device *spi)
if (ret < 0)
return ret;
chip = kzalloc(sizeof(*chip), GFP_KERNEL);
chip = devm_kzalloc(&spi->dev, sizeof(*chip), GFP_KERNEL);
if (!chip)
return -ENOMEM;
@ -125,7 +125,6 @@ static int __devinit gen_74x164_probe(struct spi_device *spi)
exit_destroy:
dev_set_drvdata(&spi->dev, NULL);
mutex_destroy(&chip->lock);
kfree(chip);
return ret;
}
@ -141,10 +140,9 @@ static int __devexit gen_74x164_remove(struct spi_device *spi)
dev_set_drvdata(&spi->dev, NULL);
ret = gpiochip_remove(&chip->gpio_chip);
if (!ret) {
if (!ret)
mutex_destroy(&chip->lock);
kfree(chip);
} else
else
dev_err(&spi->dev, "Failed to remove the GPIO controller: %d\n",
ret);