pwm: ab8500: use devm_kzalloc()
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>
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 @@
* 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 @@
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 @@
return err;
dev_dbg(&pdev->dev, "pwm driver removed\n");
- kfree(ab8500);
return 0;
}