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i2c-mux-gpio: Use devm_kzalloc instead of kzalloc 

Use the devm_kzalloc managed function to stripdown the error and remove
code.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
This commit is contained in:
Maxime Ripard 2012-10-05 22:23:53 +02:00 committed by Jean Delvare
parent 3ad7ea18ae
commit 2614a85941
1 changed files with 5 additions and 9 deletions
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14
drivers/i2c/muxes/i2c-mux-gpio.c
View File

@ -71,7 +71,7 @@ static int __devinit i2c_mux_gpio_probe(struct platform_device *pdev)
return -ENODEV;
}
mux = kzalloc(sizeof(*mux), GFP_KERNEL);
mux = devm_kzalloc(&pdev->dev, sizeof(*mux), GFP_KERNEL);
if (!mux) {
ret = -ENOMEM;
goto alloc_failed;
@ -79,11 +79,12 @@ static int __devinit i2c_mux_gpio_probe(struct platform_device *pdev)
mux->parent = parent;
mux->data = *pdata;
mux->adap = kzalloc(sizeof(struct i2c_adapter *) * pdata->n_values,
GFP_KERNEL);
mux->adap = devm_kzalloc(&pdev->dev,
sizeof(*mux->adap) * pdata->n_values,
GFP_KERNEL);
if (!mux->adap) {
ret = -ENOMEM;
goto alloc_failed2;
goto alloc_failed;
}
if (pdata->idle != I2C_MUX_GPIO_NO_IDLE) {
@ -130,9 +131,6 @@ static int __devinit i2c_mux_gpio_probe(struct platform_device *pdev)
err_request_gpio:
for (; i > 0; i--)
gpio_free(pdata->gpios[i - 1]);
kfree(mux->adap);
alloc_failed2:
kfree(mux);
alloc_failed:
i2c_put_adapter(parent);
@ -152,8 +150,6 @@ static int __devexit i2c_mux_gpio_remove(struct platform_device *pdev)
platform_set_drvdata(pdev, NULL);
i2c_put_adapter(mux->parent);
kfree(mux->adap);
kfree(mux);
return 0;
}