drm/radeon/ttm: Fix memory leak userptr pages

[ Upstream commit 5aeaa43e0ef1006320c077cbc49f4a8229ca3460 ]

If userptr pages have been pinned but not bounded,
they remain uncleared.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Daniel Gomez <daniel@qtec.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
1 file changed