drm: fix memory leak around mode_group (v2)

This mode group id_list was never being freed.

v2: take David's suggestion to free in minor_free.

Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/gpu/drm/drm_stub.c b/drivers/gpu/drm/drm_stub.c
index 1447b0ee3676..3727ac8bc310 100644
--- a/drivers/gpu/drm/drm_stub.c
+++ b/drivers/gpu/drm/drm_stub.c
@@ -294,6 +294,7 @@ static void drm_minor_free(struct drm_device *dev, unsigned int type)
 
         slot = drm_minor_get_slot(dev, type);
         if (*slot) {
+                drm_mode_group_destroy(&(*slot)->mode_group);
                 kfree(*slot);
                 *slot = NULL;
         }