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Subject[PATCH -next v2] drm/ttm: use list_move instead of list_del/list_add in ttm_execbuf_util.c
Date
Using list_move() instead of list_del() + list_add() in ttm_execbuf_util.c.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Baokun Li <libaokun1@huawei.com>
---
V1->V2:
CC mailist

drivers/gpu/drm/ttm/ttm_execbuf_util.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/ttm/ttm_execbuf_util.c b/drivers/gpu/drm/ttm/ttm_execbuf_util.c
index 071c48d672c6..c50943888d04 100644
--- a/drivers/gpu/drm/ttm/ttm_execbuf_util.c
+++ b/drivers/gpu/drm/ttm/ttm_execbuf_util.c
@@ -95,8 +95,7 @@ int ttm_eu_reserve_buffers(struct ww_acquire_ctx *ticket,
if (ret == -EALREADY && dups) {
struct ttm_validate_buffer *safe = entry;
entry = list_prev_entry(entry, head);
- list_del(&safe->head);
- list_add(&safe->head, dups);
+ list_move(&safe->head, dups);
continue;
}

@@ -135,8 +134,7 @@ int ttm_eu_reserve_buffers(struct ww_acquire_ctx *ticket,
/* move this item to the front of the list,
* forces correct iteration of the loop without keeping track
*/
- list_del(&entry->head);
- list_add(&entry->head, list);
+ list_move(&entry->head, list);
}

return 0;
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