[PATCH -next v2] drm/nouveau/mpeg: use list_move instead of list_del/list_add in nv44.c

From: Baokun Li
Date: Wed Jun 09 2021 - 02:58:11 EST


Using list_move() instead of list_del() + list_add() in nv44.c.

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

drivers/gpu/drm/nouveau/nvkm/engine/mpeg/nv44.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/nv44.c b/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/nv44.c
index 521ce43a2871..16acd33764de 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/nv44.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/nv44.c
@@ -158,8 +158,7 @@ nv44_mpeg_intr(struct nvkm_engine *engine)
list_for_each_entry(temp, &mpeg->chan, head) {
if (temp->inst >> 4 == inst) {
chan = temp;
- list_del(&chan->head);
- list_add(&chan->head, &mpeg->chan);
+ list_move(&chan->head, &mpeg->chan);
break;
}
}