[PATCH] drm, ttm Fix uninitialized warning

[Rob Clark]

On Fri, Sep 13, 2013 at 8:33 AM, Prarit Bhargava <prarit at redhat.com> wrote:
> Fix uninitialized warning.
>
> drivers/gpu/drm/ttm/ttm_object.c: In function ‘ttm_base_object_lookup’:
> drivers/gpu/drm/ttm/ttm_object.c:213:10: error: ‘base’ may be used uninitialized in this function [-Werror=maybe-uninitialized]
>   kref_put(&base->refcount, ttm_release_base);
>           ^
> drivers/gpu/drm/ttm/ttm_object.c:221:26: note: ‘base’ was declared here
>   struct ttm_base_object *base;
>
> Signed-off-by: Prarit Bhargava <prarit at redhat.com>
> Cc: David Airlie <airlied at linux.ie>
> Cc: rclark at redhat.com

Reviewed-by: Rob Clark <robdclark at gmail.com>

> ---
>  drivers/gpu/drm/ttm/ttm_object.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/ttm/ttm_object.c b/drivers/gpu/drm/ttm/ttm_object.c
> index 58a5f32..a868176 100644
> --- a/drivers/gpu/drm/ttm/ttm_object.c
> +++ b/drivers/gpu/drm/ttm/ttm_object.c
> @@ -218,7 +218,7 @@ struct ttm_base_object *ttm_base_object_lookup(struct ttm_object_file *tfile,
>                                                uint32_t key)
>  {
>         struct ttm_object_device *tdev = tfile->tdev;
> -       struct ttm_base_object *base;
> +       struct ttm_base_object *uninitialized_var(base);
>         struct drm_hash_item *hash;
>         int ret;
>
> --
> 1.7.9.3
>
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