From: Chris Wilson Date: Mon, 16 Jan 2017 14:52:42 +0000 (+0000) Subject: drm/i915: Assert internal objects are page aligned X-Git-Tag: v4.14-rc1~674^2~37^2~477 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=bf6b2030bed9371240127afa4a3219c78cf0119d;p=platform%2Fkernel%2Flinux-rpi.git 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 --- diff --git a/drivers/gpu/drm/i915/i915_gem_internal.c b/drivers/gpu/drm/i915/i915_gem_internal.c index 9b39472..17ce53d 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);