diff options
| author | Dan Carpenter <dan.carpenter@oracle.com> | 2016-07-13 13:15:04 +0300 |
|---|---|---|
| committer | Mark Yao <mark.yao@rock-chips.com> | 2016-07-19 04:42:39 +0300 |
| commit | 15da78084d584977547e7ba46d8253c27d17507c (patch) | |
| tree | 09a7c6858e114e5f6fbb0c932c454541965a0405 /drivers/gpu/drm/rockchip | |
| parent | 44958207d6b21de71720189a4363b10d9e38a3b6 (diff) | |
| download | linux-15da78084d584977547e7ba46d8253c27d17507c.tar.xz | |
drm/rockchip: fix a couple off by one bugs
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@oracle.com>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Diffstat (limited to 'drivers/gpu/drm/rockchip')
| -rw-r--r-- | drivers/gpu/drm/rockchip/rockchip_drm_drv.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c index 810042be40fd..a822d49a255a 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; |