Le 10/04/2014 23:16, Axel Lin a écrit :
This saves a few unwind code.
Signed-off-by: Axel Lin <[email protected]>
Acked-by: Florian Fainelli <[email protected]>
---
drivers/gpio/gpio-rdc321x.c | 19 ++++++-------------
1 file changed, 6 insertions(+), 13 deletions(-)
diff --git a/drivers/gpio/gpio-rdc321x.c b/drivers/gpio/gpio-rdc321x.c
index 9e7da2d..3027591 100644
--- a/drivers/gpio/gpio-rdc321x.c
+++ b/drivers/gpio/gpio-rdc321x.c
@@ -141,7 +141,8 @@ static int rdc321x_gpio_probe(struct platform_device *pdev)
return -ENODEV;
}
- rdc321x_gpio_dev = kzalloc(sizeof(struct rdc321x_gpio), GFP_KERNEL);
+ rdc321x_gpio_dev = devm_kzalloc(&pdev->dev, sizeof(struct rdc321x_gpio),
+ GFP_KERNEL);
if (!rdc321x_gpio_dev) {
dev_err(&pdev->dev, "failed to allocate private data\n");
return -ENOMEM;
@@ -150,8 +151,7 @@ static int rdc321x_gpio_probe(struct platform_device *pdev)
r = platform_get_resource_byname(pdev, IORESOURCE_IO, "gpio-reg1");
if (!r) {
dev_err(&pdev->dev, "failed to get gpio-reg1 resource\n");
- err = -ENODEV;
- goto out_free;
+ return -ENODEV;
}
spin_lock_init(&rdc321x_gpio_dev->lock);
@@ -162,8 +162,7 @@ static int rdc321x_gpio_probe(struct platform_device *pdev)
r = platform_get_resource_byname(pdev, IORESOURCE_IO, "gpio-reg2");
if (!r) {
dev_err(&pdev->dev, "failed to get gpio-reg2 resource\n");
- err = -ENODEV;
- goto out_free;
+ return -ENODEV;
}
rdc321x_gpio_dev->reg2_ctrl_base = r->start;
@@ -187,21 +186,17 @@ static int rdc321x_gpio_probe(struct platform_device
*pdev)
rdc321x_gpio_dev->reg1_data_base,
&rdc321x_gpio_dev->data_reg[0]);
if (err)
- goto out_free;
+ return err;
err = pci_read_config_dword(rdc321x_gpio_dev->sb_pdev,
rdc321x_gpio_dev->reg2_data_base,
&rdc321x_gpio_dev->data_reg[1]);
if (err)
- goto out_free;
+ return err;
dev_info(&pdev->dev, "registering %d GPIOs\n",
rdc321x_gpio_dev->chip.ngpio);
return gpiochip_add(&rdc321x_gpio_dev->chip);
-
-out_free:
- kfree(rdc321x_gpio_dev);
- return err;
}
static int rdc321x_gpio_remove(struct platform_device *pdev)
@@ -213,8 +208,6 @@ static int rdc321x_gpio_remove(struct platform_device *pdev)
if (ret)
dev_err(&pdev->dev, "failed to unregister chip\n");
- kfree(rdc321x_gpio_dev);
-
return ret;
}
--
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