2013-05-30 19:21:18

by Nikolay Balandin

[permalink] [raw]
Subject: [PATCH v2 1/1] gpio: sx150x: convert to use devm_kzalloc()

From: Nikolay Balandin <[email protected]>

Use devm_kzalloc() to make cleanup paths simpler.

Signed-off-by: Nikolay Balandin <[email protected]>
---
drivers/gpio/gpio-sx150x.c | 13 +++++--------
1 file changed, 5 insertions(+), 8 deletions(-)

diff --git a/drivers/gpio/gpio-sx150x.c b/drivers/gpio/gpio-sx150x.c
index 796b6c4..17c67be 100644
--- a/drivers/gpio/gpio-sx150x.c
+++ b/drivers/gpio/gpio-sx150x.c
@@ -591,18 +591,19 @@ static int sx150x_probe(struct i2c_client *client,
if (!i2c_check_functionality(client->adapter, i2c_funcs))
return -ENOSYS;

- chip = kzalloc(sizeof(struct sx150x_chip), GFP_KERNEL);
+ chip = devm_kzalloc(&client->dev,
+ sizeof(struct sx150x_chip), GFP_KERNEL);
if (!chip)
return -ENOMEM;

sx150x_init_chip(chip, client, id->driver_data, pdata);
rc = sx150x_init_hw(chip, pdata);
if (rc < 0)
- goto probe_fail_pre_gpiochip_add;
+ return rc;

rc = gpiochip_add(&chip->gpio_chip);
- if (rc < 0)
- goto probe_fail_pre_gpiochip_add;
+ if (rc)
+ return rc;

if (pdata->irq_summary >= 0) {
rc = sx150x_install_irq_chip(chip,
@@ -617,8 +618,6 @@ static int sx150x_probe(struct i2c_client *client,
return 0;
probe_fail_post_gpiochip_add:
WARN_ON(gpiochip_remove(&chip->gpio_chip) < 0);
-probe_fail_pre_gpiochip_add:
- kfree(chip);
return rc;
}

@@ -635,8 +634,6 @@ static int sx150x_remove(struct i2c_client *client)
if (chip->irq_summary >= 0)
sx150x_remove_irq_chip(chip);

- kfree(chip);
-
return 0;
}

--
1.7.9.5


2013-05-30 19:35:57

by Andy Shevchenko

[permalink] [raw]
Subject: Re: [PATCH v2 1/1] gpio: sx150x: convert to use devm_kzalloc()

On Wed, May 29, 2013 at 12:29 AM, Nikolay Balandin
<[email protected]> wrote:
> From: Nikolay Balandin <[email protected]>
>
> Use devm_kzalloc() to make cleanup paths simpler.

What about request_threaded_irq?

>
> Signed-off-by: Nikolay Balandin <[email protected]>
> ---
> drivers/gpio/gpio-sx150x.c | 13 +++++--------
> 1 file changed, 5 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/gpio/gpio-sx150x.c b/drivers/gpio/gpio-sx150x.c
> index 796b6c4..17c67be 100644
> --- a/drivers/gpio/gpio-sx150x.c
> +++ b/drivers/gpio/gpio-sx150x.c
> @@ -591,18 +591,19 @@ static int sx150x_probe(struct i2c_client *client,
> if (!i2c_check_functionality(client->adapter, i2c_funcs))
> return -ENOSYS;
>
> - chip = kzalloc(sizeof(struct sx150x_chip), GFP_KERNEL);
> + chip = devm_kzalloc(&client->dev,
> + sizeof(struct sx150x_chip), GFP_KERNEL);
> if (!chip)
> return -ENOMEM;
>
> sx150x_init_chip(chip, client, id->driver_data, pdata);
> rc = sx150x_init_hw(chip, pdata);
> if (rc < 0)
> - goto probe_fail_pre_gpiochip_add;
> + return rc;
>
> rc = gpiochip_add(&chip->gpio_chip);
> - if (rc < 0)
> - goto probe_fail_pre_gpiochip_add;
> + if (rc)
> + return rc;
>
> if (pdata->irq_summary >= 0) {
> rc = sx150x_install_irq_chip(chip,
> @@ -617,8 +618,6 @@ static int sx150x_probe(struct i2c_client *client,
> return 0;
> probe_fail_post_gpiochip_add:
> WARN_ON(gpiochip_remove(&chip->gpio_chip) < 0);
> -probe_fail_pre_gpiochip_add:
> - kfree(chip);
> return rc;
> }
>
> @@ -635,8 +634,6 @@ static int sx150x_remove(struct i2c_client *client)
> if (chip->irq_summary >= 0)
> sx150x_remove_irq_chip(chip);
>
> - kfree(chip);
> -
> return 0;
> }
>
> --
> 1.7.9.5
>
> --
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--
With Best Regards,
Andy Shevchenko

2013-05-30 20:17:24

by Linus Walleij

[permalink] [raw]
Subject: Re: [PATCH v2 1/1] gpio: sx150x: convert to use devm_kzalloc()

On Tue, May 28, 2013 at 11:29 PM, Nikolay Balandin
<[email protected]> wrote:

> From: Nikolay Balandin <[email protected]>
>
> Use devm_kzalloc() to make cleanup paths simpler.
>
> Signed-off-by: Nikolay Balandin <[email protected]>

Patch applied.

What is wrong with you RTC?

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Subject: [PATCH v2 1/1] gpio: sx150x: convert to use devm_kzalloc()
Date: Tue, 28 May 2013 14:29:44 -0700

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Yours,
Linus Walleij