From: Maxime Ripard <maxime.ripard@free-electrons.com>
Date: Wed, 5 Sep 2012 08:40:51 +0000 (+0200)
Subject: gpio: 74x164: Use devm_kzalloc
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=72eac3020de35a2c3fd0d39a26399989a0a9392e;p=deliverable%2Flinux.git

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>
---

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);