[PATCH] drm: An uninitialized return value is returned.

[bing deng]

On Sun, Jun 3, 2012 at 6:41 PM, Il Han <corone.il.han at gmail.com> wrote:
> An uninitialized return value is returned.
> If the value is not necessary,
> it would be better to return the constant 0.
>
> Signed-off-by: Il Han <corone.il.han at gmail.com>
> ---
>  drivers/gpu/drm/nouveau/nv04_fence.c |    3 +--
>  1 files changed, 1 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/nouveau/nv04_fence.c b/drivers/gpu/drm/nouveau/nv04_fence.c
> index abe89db..d4091eb 100644
> --- a/drivers/gpu/drm/nouveau/nv04_fence.c
> +++ b/drivers/gpu/drm/nouveau/nv04_fence.c
> @@ -121,7 +121,6 @@ nv04_fence_create(struct drm_device *dev)
>  {
>        struct drm_nouveau_private *dev_priv = dev->dev_private;
>        struct nv04_fence_priv *priv;
> -       int ret;
>
>        priv = kzalloc(sizeof(*priv), GFP_KERNEL);
>        if (!priv)
> @@ -136,5 +135,5 @@ nv04_fence_create(struct drm_device *dev)
>        priv->base.sync = nv04_fence_sync;
>        priv->base.read = nv04_fence_read;
>        dev_priv->eng[NVOBJ_ENGINE_FENCE] = &priv->base.engine;
> -       return ret;
> +       return 0;
>  }
> --
> 1.7.4.1
>
> --
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> the body of a message to majordomo at vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at  http://www.tux.org/lkml/


Hi All,

    Why not modify "int ret;" to "int ret = 0;"? Below is the benefit:
    1. return the constant 0 as wish.
    2. The variable ret can be used if we want.
-- 
Best Regards,
Bing