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drm/ttm: Initialize local lists in ttm_bo_bulk_move_helper 

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"
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
hifive-unleashed-5.1
Michel Dänzer 2018-08-28 18:56:29 +02:00 committed by Alex Deucher
parent 5f232bd79b
commit 25eef4214a
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/ttm/ttm_bo.c
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@ -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;