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>
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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