[Nouveau] [PATCH] drm/nouveau: Do not leak client objects

Ben Skeggs skeggsb at gmail.com
Sat Jun 6 06:36:58 PDT 2015


On 5 June 2015 at 21:35, Thierry Reding <thierry.reding at gmail.com> wrote:
> On Thu, Oct 16, 2014 at 11:54:54AM +0200, Thierry Reding wrote:
>> From: Thierry Reding <treding at nvidia.com>
>>
>> The memory allocated for a nouveau_cli object in nouveau_cli_create() is
>> never freed. Free the memory in nouveau_cli_destroy() to plug this leak.
>>
>> kmemleak recorded this after running a couple of nouveau test programs.
>> Note that kmemleak points at drm_open_helper() because for some reason
>> it thinks that skipping the first two stack frames is a good idea.
>>
>> Signed-off-by: Thierry Reding <treding at nvidia.com>
>> ---
>>  drivers/gpu/drm/nouveau/nouveau_drm.c | 1 +
>>  1 file changed, 1 insertion(+)
>>
>> diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c
>> index 57238076049f..6dc2c915ba6e 100644
>> --- a/drivers/gpu/drm/nouveau/nouveau_drm.c
>> +++ b/drivers/gpu/drm/nouveau/nouveau_drm.c
>> @@ -126,6 +126,7 @@ nouveau_cli_destroy(struct nouveau_cli *cli)
>>       nouveau_vm_ref(NULL, &nvkm_client(&cli->base)->vm, NULL);
>>       nvif_client_fini(&cli->base);
>>       usif_client_fini(cli);
>> +     kfree(cli);
>>  }
>>
>>  static void
>
> Ben, any chance you could pick this up?
Got it :)  Thanks for the ping!

Ben.

>
> Thierry
>
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