drm/radeon/kms: drop zero length CS indirect buffers.

If userspace sends a zero length IB, it really shouldn't have bothered
so EINVAL it.

Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie 2009-06-30 11:47:14 +10:00
commit 5176fdc4c5