[PATCH 1/3] i2c: i2c-mux-gpio: Use devm_kzalloc instead of kzalloc

Maxime Ripard
2012-09-21T15:32:12Z

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

Signed-off-by: Maxime Ripard <maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
---
drivers/i2c/muxes/i2c-mux-gpio.c | 14 +++++---------
1 file changed, 5 insertions(+), 9 deletions(-)

diff --git a/drivers/i2c/muxes/i2c-mux-gpio.c b/drivers/i2c/muxes/i2c-mux-gpio.c
index 68b1f8e..fbc400b 100644
--- a/drivers/i2c/muxes/i2c-mux-gpio.c
+++ b/drivers/i2c/muxes/i2c-mux-gpio.c
@@ -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(struct i2c_adapter *) * pdata->n_values,
+ GFP_KERNEL);
if (!mux->adap) {
ret = -ENOMEM;
- goto alloc_failed2;
+ goto alloc_failed;
}

if (pdata->idle != I2C_MUX_GPIO_NO_IDLE) {
@@ -128,9 +129,6 @@ add_adapter_failed:
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);

@@ -150,8 +148,6 @@ 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;
}
--
1.7.9.5