[PATCH 11/16] drm: properly free id_list when a render node is removed

[Ilija Hadzic]

id_list is dynamically allocated when a render node is
created. Consequently, if must be freed when the render node
is removed, otherwise we have a memory leak.

Signed-off-by: Ilija Hadzic <ihadzic at research.bell-labs.com>
---
 drivers/gpu/drm/drm_stub.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/drivers/gpu/drm/drm_stub.c b/drivers/gpu/drm/drm_stub.c
index e316a69..e41882a 100644
--- a/drivers/gpu/drm/drm_stub.c
+++ b/drivers/gpu/drm/drm_stub.c
@@ -426,10 +426,13 @@ int drm_destroy_render_node(struct drm_device *dev, int 
index)

        list_for_each_entry_safe(node, tmp, &dev->render_node_list, list) {
                if (node->minor->index == index) {
+                       struct drm_mode_group *group;
                        if (node->minor->open_count)
                                return -EBUSY;
+                       group = &node->minor->mode_group;
                        list_del(&node->list);
                        drm_put_minor(&node->minor);
+                       drm_mode_group_fini(group);
                        kfree(node);
                        return 0;
                }
@@ -442,8 +445,11 @@ void drm_destroy_all_render_nodes(struct drm_device *dev)
        struct drm_render_node *node, *tmp;

        list_for_each_entry_safe(node, tmp, &dev->render_node_list, list) {
+               struct drm_mode_group *group;
+               group = &node->minor->mode_group;
                list_del(&node->list);
                drm_put_minor(&node->minor);
+               drm_mode_group_fini(group);
                kfree(node);
        }
 }
-- 
1.7.8.5