2013-03-08 03:46:06

by Jingoo Han

[permalink] [raw]
Subject: [PATCH] pwm: ab8500: use devm_kzalloc()

Use devm_kzalloc() to make cleanup paths more simple.

Signed-off-by: Jingoo Han <[email protected]>
---
drivers/pwm/pwm-ab8500.c | 7 ++-----
1 files changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/pwm/pwm-ab8500.c b/drivers/pwm/pwm-ab8500.c
index 4248d04..93af1bb 100644
--- a/drivers/pwm/pwm-ab8500.c
+++ b/drivers/pwm/pwm-ab8500.c
@@ -99,7 +99,7 @@ static int ab8500_pwm_probe(struct platform_device *pdev)
* Nothing to be done in probe, this is required to get the
* device which is required for ab8500 read and write
*/
- ab8500 = kzalloc(sizeof(*ab8500), GFP_KERNEL);
+ ab8500 = devm_kzalloc(&pdev->dev, sizeof(*ab8500), GFP_KERNEL);
if (ab8500 == NULL) {
dev_err(&pdev->dev, "failed to allocate memory\n");
return -ENOMEM;
@@ -111,10 +111,8 @@ static int ab8500_pwm_probe(struct platform_device *pdev)
ab8500->chip.npwm = 1;

err = pwmchip_add(&ab8500->chip);
- if (err < 0) {
- kfree(ab8500);
+ if (err < 0)
return err;
- }

dev_dbg(&pdev->dev, "pwm probe successful\n");
platform_set_drvdata(pdev, ab8500);
@@ -132,7 +130,6 @@ static int ab8500_pwm_remove(struct platform_device *pdev)
return err;

dev_dbg(&pdev->dev, "pwm driver removed\n");
- kfree(ab8500);

return 0;
}
--
1.7.2.5


2013-03-22 10:39:42

by Thierry Reding

[permalink] [raw]
Subject: Re: [PATCH] pwm: ab8500: use devm_kzalloc()

On Fri, Mar 08, 2013 at 12:45:58PM +0900, Jingoo Han wrote:
> Use devm_kzalloc() to make cleanup paths more simple.
>
> Signed-off-by: Jingoo Han <[email protected]>
> ---
> drivers/pwm/pwm-ab8500.c | 7 ++-----
> 1 files changed, 2 insertions(+), 5 deletions(-)

Applied, thanks.

Thierry


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