[PATCH] drm/ttm: fix memleak in ttm_transfered_destroy

[Christian König]

Am 20.10.21 um 19:43 schrieb Alex Deucher:
> On Wed, Oct 20, 2021 at 1:32 PM Christian König
> <ckoenig.leichtzumerken at gmail.com> wrote:
>> We need to cleanup the fences for ghost objects as well.
>>
>> Signed-off-by: Christian König <christian.koenig at amd.com>
>> CC: <stable at vger.kernel.org>
> Does this fix this bug?
> https://bugzilla.kernel.org/show_bug.cgi?id=214029

Yeah, I was already adding that patch to the bug report as potential fix.

Christian.

>
> Alex
>
>> ---
>>   drivers/gpu/drm/ttm/ttm_bo_util.c | 1 +
>>   1 file changed, 1 insertion(+)
>>
>> diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c b/drivers/gpu/drm/ttm/ttm_bo_util.c
>> index 82af095f6b81..f37a8c53b35f 100644
>> --- a/drivers/gpu/drm/ttm/ttm_bo_util.c
>> +++ b/drivers/gpu/drm/ttm/ttm_bo_util.c
>> @@ -190,6 +190,7 @@ static void ttm_transfered_destroy(struct ttm_buffer_object *bo)
>>          struct ttm_transfer_obj *fbo;
>>
>>          fbo = container_of(bo, struct ttm_transfer_obj, base);
>> +       dma_resv_fini(&fbo->base.base._resv);
>>          ttm_bo_put(fbo->bo);
>>          kfree(fbo);
>>   }
>> --
>> 2.25.1
>>