Messages in this thread | | | From | "R, Durgadoss" <> | Subject | RE: [PATCH 1/2] Thermal:Fix memory leak if occur goto unregister | Date | Mon, 3 Nov 2014 18:17:37 +0000 |
| |
>-----Original Message----- >From: linux-pm-owner@vger.kernel.org [mailto:linux-pm- >owner@vger.kernel.org] On Behalf Of Eduardo Valentin >Sent: Monday, October 20, 2014 6:04 PM >To: Yao Dongdong >Cc: Zhang, Rui; linux-pm@vger.kernel.org; LKML >Subject: Re: [PATCH 1/2] Thermal:Fix memory leak if occur goto unregister > >Hello, > >On Mon, Oct 20, 2014 at 04:27:36PM +0800, Yao Dongdong wrote: >> Signed-off-by:yaodongdong@huawei.com > >Acked-by: Eduardo Valentin <edubezval@gmail.com> > >Rui, would you take care of this? >
If I remember it right, this 'tz' is freed in the thermal_release() function, during device_unregister().
It is similar in all other functions in thermal_core.c
So, Yao, Did you really test this patch ? And did not see any crashes ?
Thanks, Durga
>> >> --- >> drivers/thermal/thermal_core.c | 1 + >> 1 file changed, 1 insertion(+) >> >> diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c >> index 71b0ec0..5b7d466 100644 >> --- a/drivers/thermal/thermal_core.c >> +++ b/drivers/thermal/thermal_core.c >> @@ -1574,6 +1574,7 @@ struct thermal_zone_device >*thermal_zone_device_register(const char *type, >> unregister: >> release_idr(&thermal_tz_idr, &thermal_idr_lock, tz->id); >> device_unregister(&tz->device); >> + kfree(tz); >> return ERR_PTR(result); >> } >> EXPORT_SYMBOL_GPL(thermal_zone_device_register); >> -- >> 1.8.0.1 >> >>
| |