Hi Sangjung, On 5 November 2013 08:32, Sangjung Woo <sangjung....@samsung.com> wrote: > There is certainly a kind of memory leak since allocated data (i.e. > chip_data) is set NULL before freeing it by calling devm_kfree(). This > patch fixes the memory leak bug by modifying its call order. > > Signed-off-by: Sangjung Woo <sangjung....@samsung.com> > Reviewed-by: Jonghwa Lee <jonghwa3....@samsung.com> > --- > drivers/pwm/pwm-samsung.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/pwm/pwm-samsung.c b/drivers/pwm/pwm-samsung.c > index fcc8b9a..07b2d9d 100644 > --- a/drivers/pwm/pwm-samsung.c > +++ b/drivers/pwm/pwm-samsung.c > @@ -224,8 +224,8 @@ static int pwm_samsung_request(struct pwm_chip *chip, > struct pwm_device *pwm) > > static void pwm_samsung_free(struct pwm_chip *chip, struct pwm_device *pwm) > { > - pwm_set_chip_data(pwm, NULL); > devm_kfree(chip->dev, pwm_get_chip_data(pwm)); > + pwm_set_chip_data(pwm, NULL); > }
Similar patch has already been applied by Thierry. -- With warm regards, Sachin -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/