Use devm_kzalloc instead of kzalloc to free automatically and make
the cleanup paths simpler and the code slightly shorter.
Signed-off-by: Xiubo Li <li.xi...@freescale.com>
---
drivers/pwm/core.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/pwm/core.c b/drivers/pwm/core.c
index 2ca9504..74c9f9a 100644
--- a/drivers/pwm/core.c
+++ b/drivers/pwm/core.c
@@ -80,7 +80,6 @@ static void free_pwms(struct pwm_chip *chip)
bitmap_clear(allocated_pwms, chip->base, chip->npwm);
- kfree(chip->pwms);
chip->pwms = NULL;
}
@@ -245,7 +244,9 @@ int pwmchip_add(struct pwm_chip *chip)
if (ret < 0)
goto out;
- chip->pwms = kzalloc(chip->npwm * sizeof(*pwm), GFP_KERNEL);
+ chip->pwms = devm_kzalloc(chip->dev,
+ chip->npwm * sizeof(*pwm),
+ GFP_KERNEL);
if (!chip->pwms) {
ret = -ENOMEM;
goto out;
--
1.8.4
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