On Wed, Jul 13, 2016 at 3:15 AM, Dan Carpenter <dan.carpenter@xxxxxxxxxx> 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@xxxxxxxxxx>
>
Reviewed-by: Sean Paul <seanpaul@xxxxxxxxxxxx>
> 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;
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