[PATCH] drm/exynos: g2d: fix memory leak to userptr

[Inki Dae]

This patch releases a vma object when cleaning up userptr resources.
A new vma object was allocated and copied when getting userptr pages
so the new vma object should be freed properly if the userptr pages
aren't used anymore.

Signed-off-by: Inki Dae <inki.dae at samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park at samsung.com>
---
 drivers/gpu/drm/exynos/exynos_drm_g2d.c |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_g2d.c 
b/drivers/gpu/drm/exynos/exynos_drm_g2d.c
index 3271fd4..7bccedc 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_g2d.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_g2d.c
@@ -383,6 +383,8 @@ out:
                                        g2d_userptr->npages,
                                        g2d_userptr->vma);

+       exynos_gem_put_vma(g2d_userptr->vma);
+
        if (!g2d_userptr->out_of_list)
                list_del_init(&g2d_userptr->list);

-- 
1.7.9.5