From e001523666d0b07592abe1822b78ed0e5c2a34ab Mon Sep 17 00:00:00 2001 From: Eric Anholt Date: Mon, 25 Jan 2016 13:05:00 -0800 Subject: [PATCH] drm/vc4: Validate that WAIT_BO padding is cleared. This is ABI future-proofing if we ever want to extend the pad to mean something. Signed-off-by: Eric Anholt --- drivers/gpu/drm/vc4/vc4_gem.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/vc4/vc4_gem.c b/drivers/gpu/drm/vc4/vc4_gem.c index 48ce30a6f4b5..cc89ffcfc6aa 100644 --- a/drivers/gpu/drm/vc4/vc4_gem.c +++ b/drivers/gpu/drm/vc4/vc4_gem.c @@ -746,6 +746,9 @@ vc4_wait_bo_ioctl(struct drm_device *dev, void *data, struct drm_gem_object *gem_obj; struct vc4_bo *bo; + if (args->pad != 0) + return -EINVAL; + gem_obj = drm_gem_object_lookup(dev, file_priv, args->handle); if (!gem_obj) { DRM_ERROR("Failed to look up GEM BO %d\n", args->handle); -- 2.20.1