[patch] drm/rockchip: fix a couple off by one bugs

[Mark yao]

On 2016年07月13日 18:15, Dan Carpenter wrote:
> The priv->crtc_funcs[] array has ROCKCHIP_MAX_CRTC elements so > should
> be >= here.
>
> Fixes: 2048e3286f34 ('drm: rockchip: Add basic drm driver')
> Signed-off-by: Dan Carpenter <dan.carpenter at oracle.com>

Thanks for the fix, applied to my drm-fixes.

> diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c 
> b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
> index 7fd20c0..37ca427 100644
> --- a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
> +++ b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
> @@ -79,7 +79,7 @@ int rockchip_register_crtc_funcs(struct drm_crtc *crtc,
>       int pipe = drm_crtc_index(crtc);
>       struct rockchip_drm_private *priv = crtc->dev->dev_private;
>   
> -     if (pipe > ROCKCHIP_MAX_CRTC)
> +     if (pipe >= ROCKCHIP_MAX_CRTC)
>               return -EINVAL;
>   
>       priv->crtc_funcs[pipe] = crtc_funcs;
> @@ -92,7 +92,7 @@ void rockchip_unregister_crtc_funcs(struct drm_crtc *crtc)
>       int pipe = drm_crtc_index(crtc);
>       struct rockchip_drm_private *priv = crtc->dev->dev_private;
>   
> -     if (pipe > ROCKCHIP_MAX_CRTC)
> +     if (pipe >= ROCKCHIP_MAX_CRTC)
>               return;
>   
>       priv->crtc_funcs[pipe] = NULL;
>
>
>


-- 
ï¼­ark Yao