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| author |   Eric Anholt <eric@anholt.net> | 2016-01-25 13:05:00 -0800 |
|---|---|---|
| committer | Eric Anholt <eric@anholt.net> | 2016-02-16 12:20:57 -0800 |
| commit | e001523666d0b07592abe1822b78ed0e5c2a34ab (patch) | |
| tree | 311c84cc16b062be8f3592cef4106cebbe94f044 /drivers/gpu | |
| parent | Linux 4.5-rc3 (diff) | |
| download | linux-dev-e001523666d0b07592abe1822b78ed0e5c2a34ab.tar.xz linux-dev-e001523666d0b07592abe1822b78ed0e5c2a34ab.zip | |
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>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/vc4/vc4_gem.c | 3 |
1 files changed, 3 insertions, 0 deletions
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); |