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gpio: pcf857x: use devm_kzalloc()

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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 18:16:11 +09:00 committed by Linus Walleij
parent 632d8e55d1
commit f39f54af03
1 changed files with 2 additions and 5 deletions
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7
drivers/gpio/gpio-pcf857x.c
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@ -268,7 +268,7 @@ static int pcf857x_probe(struct i2c_client *client,
}
/* Allocate, initialize, and register this gpio_chip. */
gpio = kzalloc(sizeof *gpio, GFP_KERNEL);
gpio = devm_kzalloc(&client->dev, sizeof(*gpio), GFP_KERNEL);
if (!gpio)
return -ENOMEM;
@ -391,7 +391,6 @@ fail:
if (pdata && client->irq)
pcf857x_irq_domain_cleanup(gpio);
kfree(gpio);
return status;
}
@ -416,9 +415,7 @@ static int pcf857x_remove(struct i2c_client *client)
pcf857x_irq_domain_cleanup(gpio);
status = gpiochip_remove(&gpio->chip);
if (status == 0)
kfree(gpio);
else
if (status)
dev_err(&client->dev, "%s --> %d\n", "remove", status);
return status;
}