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>

1 files changed, 3 insertions, 5 deletions

diff --git a/drivers/gpio/gpio-74x164.c b/drivers/gpio/gpio-74x164.c
index 2975036c36b7..604b998b7b74 100644
--- a/drivers/gpio/gpio-74x164.c
+++ b/drivers/gpio/gpio-74x164.c
@@ -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);