[ Upstream commit 7f073d01 ]

The bo array has req->nr_buffers elements so the > should be >= so we
don't read beyond the end of the array.

Fixes: a1606a95 ("drm/nouveau: new gem pushbuf interface, bump to 0.0.16")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>