Commit fde25294 authored by Zou Wei's avatar Zou Wei Committed by Thierry Reding
Browse files

pwm: img: Fix PM reference leak in img_pwm_enable() 



pm_runtime_get_sync will increment pm usage counter even it failed.
Forgetting to putting operation will result in reference leak here.
Fix it by replacing it with pm_runtime_resume_and_get to keep usage
counter balanced.

Reported-by: default avatarHulk Robot <hulkci@huawei.com>
Signed-off-by: default avatarZou Wei <zou_wei@huawei.com>
Signed-off-by: default avatarThierry Reding <thierry.reding@gmail.com>
parent b63d60b2

drivers/pwm/pwm-img.c

+1 −1
Original line number Original line Diff line number Diff line
@@ -156,7 +156,7 @@ static int img_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm) 
	struct img_pwm_chip *pwm_chip = to_img_pwm_chip(chip);

	struct img_pwm_chip *pwm_chip = to_img_pwm_chip(chip);

	int ret;

	int ret;





	ret = pm_runtime_get_sync(chip->dev);

	ret = pm_runtime_resume_and_get(chip->dev);

	if (ret < 0)

	if (ret < 0)

		return ret;

		return ret;