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pwm: ab8500: use devm_kzalloc()

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Use devm_kzalloc() to make cleanup paths more simple.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
This commit is contained in:
Jingoo Han 2013-03-08 12:45:58 +09:00 committed by Thierry Reding
parent c791126b93
commit 482467ad97
1 changed files with 2 additions and 5 deletions
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7
drivers/pwm/pwm-ab8500.c
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@ -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;
}