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- From a88f349e6b9544d0e37ece0d1d94a7065151f92c Mon Sep 17 00:00:00 2001
- From: Eric Anholt <eric@anholt.net>
- Date: Mon, 25 Jan 2016 13:05:00 -0800
- Subject: [PATCH 194/381] 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 <eric@anholt.net>
- ---
- drivers/gpu/drm/vc4/vc4_gem.c | 3 +++
- 1 file changed, 3 insertions(+)
- --- a/drivers/gpu/drm/vc4/vc4_gem.c
- +++ b/drivers/gpu/drm/vc4/vc4_gem.c
- @@ -761,6 +761,9 @@ vc4_wait_bo_ioctl(struct drm_device *dev
- 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);
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