From bf6b2030bed9371240127afa4a3219c78cf0119d Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Mon, 16 Jan 2017 14:52:42 +0000 Subject: [PATCH] drm/i915: Assert internal objects are page aligned Internal objects must be passed a page-aligned size. Check it. Signed-off-by: Chris Wilson Cc: Joonas Lahtinen Link: http://patchwork.freedesktop.org/patch/msgid/20170116145242.13875-1-chris@chris-wilson.co.uk Reviewed-by: Joonas Lahtinen --- drivers/gpu/drm/i915/i915_gem_internal.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/i915/i915_gem_internal.c b/drivers/gpu/drm/i915/i915_gem_internal.c index 9b39472396ef..17ce53d0d092 100644 --- a/drivers/gpu/drm/i915/i915_gem_internal.c +++ b/drivers/gpu/drm/i915/i915_gem_internal.c @@ -156,6 +156,7 @@ i915_gem_object_create_internal(struct drm_i915_private *i915, struct drm_i915_gem_object *obj; GEM_BUG_ON(!size); + GEM_BUG_ON(!IS_ALIGNED(size, PAGE_SIZE)); if (overflows_type(size, obj->base.size)) return ERR_PTR(-E2BIG); -- 2.39.5