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

Thierry Reding thierry.reding at gmail.com
Fri Jun 5 04:35:26 PDT 2015


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?

Thierry
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