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drm/rockchip: fix a couple off by one bugs

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The priv->crtc_funcs[] array has ROCKCHIP_MAX_CRTC elements so > should
be >= here.

Fixes: 2048e3286f ('drm: rockchip: Add basic drm driver')
Signed-off-by: Dan Carpenter <[email protected]>
Reviewed-by: Sean Paul <[email protected]>
This commit is contained in:
Dan Carpenter 2016-07-13 13:15:04 +03:00 • committed by Mark Yao
commit 15da78084d
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/rockchip/rockchip_drm_drv.c
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@ -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;