On 23. 10. 12. 18:41, Dan Carpenter wrote: > Call mutex_unlock(&drv->reg_lock) before returning the error code. > > Fixes: d2805601988f ("PM / devfreq: mediatek: protect oop in critical session") > Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> > --- > drivers/devfreq/mtk-cci-devfreq.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/drivers/devfreq/mtk-cci-devfreq.c b/drivers/devfreq/mtk-cci-devfreq.c > index b0ed25e33f2b..11bc3d03494c 100644 > --- a/drivers/devfreq/mtk-cci-devfreq.c > +++ b/drivers/devfreq/mtk-cci-devfreq.c > @@ -146,7 +146,8 @@ static int mtk_ccifreq_target(struct device *dev, unsigned long *freq, > opp = devfreq_recommended_opp(dev, &opp_rate, 1); > if (IS_ERR(opp)) { > dev_err(dev, "failed to find opp for freq: %ld\n", opp_rate); > - return PTR_ERR(opp); > + ret = PTR_ERR(opp); > + goto out_unlock; > } > > voltage = dev_pm_opp_get_voltage(opp); Applied it. Thanks. -- Best Regards, Samsung Electronics Chanwoo Choi