lkml.org 
[lkml]   [2020]   [Nov]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [Resend][PATCH] drivers/thermal: fix potential memleak in error branch
From
Date
On 10/11/2020 09:10, Bernard wrote:
> Function __thermal_cooling_device_register, when device_register
> failed, cdev is not free after error value return, this may
> bring in potential memleak.
>
> Signed-off-by: Bernard Zhao <bernard@vivo.com>
> ---
> 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 3d1e0033bf3e..e4bee15dfa1f 100644
> --- a/drivers/thermal/thermal_core.c
> +++ b/drivers/thermal/thermal_core.c
> @@ -1125,6 +1125,7 @@ __thermal_cooling_device_register(struct device_node *np,
> if (result) {
> ida_simple_remove(&thermal_cdev_ida, cdev->id);
> put_device(&cdev->device);
> + kfree(cdev);
> return ERR_PTR(result);
> }

Please fix the function with the proper error path and the labels.

Thanks

-- Daniel


--
<http://www.linaro.org/> Linaro.org │ Open source software for ARM SoCs

Follow Linaro: <http://www.facebook.com/pages/Linaro> Facebook |
<http://twitter.com/#!/linaroorg> Twitter |
<http://www.linaro.org/linaro-blog/> Blog

\
 
 \ /
  Last update: 2020-11-12 12:23    [W:0.042 / U:0.472 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site