Am 28.08.2018 um 18:58 schrieb Michel Dänzer:

From: Michel Dänzer michel.daenzer@amd.com

The first parameter of list_cut_position() must point to an initialized list.

Noticed thanks to KASAN pointing out something's fishy here.

Fixes: "drm/ttm: add bulk move function on LRU" Signed-off-by: Michel Dänzer michel.daenzer@amd.com

Reviewed-by: Christian König christian.koenig@amd.com

---

drivers/gpu/drm/ttm/ttm_bo.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c index 39d9d559b279..35d53d81f486 100644 --- a/drivers/gpu/drm/ttm/ttm_bo.c +++ b/drivers/gpu/drm/ttm/ttm_bo.c @@ -250,7 +250,8 @@ EXPORT_SYMBOL(ttm_bo_move_to_lru_tail); static void ttm_bo_bulk_move_helper(struct ttm_lru_bulk_move_pos *pos, struct list_head *lru, bool is_swap) {

• struct list_head entries, before;

• LIST_HEAD(entries);

• LIST_HEAD(before); struct list_head *list1, *list2;

  list1 = is_swap ? &pos->last->swap : &pos->last->lru;