From ca3562226a901ddf77c7da36077c25316c4c0bb7 Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Fri, 27 Sep 2013 23:17:14 +0300 Subject: [PATCH] drm/nouveau: off by one in nouveau_drm_vblank_enable() The test here should be ">= ARRAY_SIZE()" instead of "> ARRAY_SIZE()". Signed-off-by: Dan Carpenter Acked-by: Maarten Lankhorst Signed-off-by: Ben Skeggs --- drivers/gpu/drm/nouveau/nouveau_drm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c index 428d818..20626b9 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drm.c +++ b/drivers/gpu/drm/nouveau/nouveau_drm.c @@ -93,7 +93,7 @@ nouveau_drm_vblank_enable(struct drm_device *dev, int head) struct nouveau_drm *drm = nouveau_drm(dev); struct nouveau_disp *pdisp = nouveau_disp(drm->device); - if (WARN_ON_ONCE(head > ARRAY_SIZE(drm->vblank))) + if (WARN_ON_ONCE(head >= ARRAY_SIZE(drm->vblank))) return -EIO; WARN_ON_ONCE(drm->vblank[head].func); drm->vblank[head].func = nouveau_drm_vblank_handler; -- 2.7.4