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* [PATCH -next v2] platform/surface: aggregator: Use list_move_tail instead of list_del/list_add_tail in ssh_packet_layer.c
@ 2021-06-09  7:24 Baokun Li
  2021-06-09 11:37 ` Maximilian Luz
  2021-06-09 14:24 ` Hans de Goede
  0 siblings, 2 replies; 3+ messages in thread
From: Baokun Li @ 2021-06-09  7:24 UTC (permalink / raw)
  To: linux-kernel, Maximilian Luz, Hans de Goede, Mark Gross
  Cc: weiyongjun1, yuehaibing, yangjihong1, yukuai3, libaokun1,
	platform-driver-x86, kernel-janitors, Hulk Robot

Using list_move_tail() instead of list_del() + list_add_tail() in ssh_packet_layer.c.

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

 .../surface/aggregator/ssh_packet_layer.c  | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/drivers/platform/surface/aggregator/ssh_packet_layer.c b/drivers/platform/surface/aggregator/ssh_packet_layer.c
index 15d96eac6811..2f546ad11c4e 100644
--- a/drivers/platform/surface/aggregator/ssh_packet_layer.c
+++ b/drivers/platform/surface/aggregator/ssh_packet_layer.c
@@ -1567,9 +1567,7 @@ static void ssh_ptl_timeout_reap(struct work_struct *work)
 		clear_bit(SSH_PACKET_SF_PENDING_BIT, &p->state);
 
 		atomic_dec(&ptl->pending.count);
-		list_del(&p->pending_node);
-
-		list_add_tail(&p->pending_node, &claimed);
+		list_move_tail(&p->pending_node, &claimed);
 	}
 
 	spin_unlock(&ptl->pending.lock);
@@ -1957,8 +1955,7 @@ void ssh_ptl_shutdown(struct ssh_ptl *ptl)
 		smp_mb__before_atomic();
 		clear_bit(SSH_PACKET_SF_QUEUED_BIT, &p->state);
 
-		list_del(&p->queue_node);
-		list_add_tail(&p->queue_node, &complete_q);
+		list_move_tail(&p->queue_node, &complete_q);
 	}
 	spin_unlock(&ptl->queue.lock);
 
@@ -1970,8 +1967,7 @@ void ssh_ptl_shutdown(struct ssh_ptl *ptl)
 		smp_mb__before_atomic();
 		clear_bit(SSH_PACKET_SF_PENDING_BIT, &p->state);
 
-		list_del(&p->pending_node);
-		list_add_tail(&p->pending_node, &complete_q);
+		list_move_tail(&p->pending_node, &complete_q);
 	}
 	atomic_set(&ptl->pending.count, 0);
 	spin_unlock(&ptl->pending.lock);


^ permalink raw reply related	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2021-06-09 14:24 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2021-06-09  7:24 [PATCH -next v2] platform/surface: aggregator: Use list_move_tail instead of list_del/list_add_tail in ssh_packet_layer.c Baokun Li
2021-06-09 11:37 ` Maximilian Luz
2021-06-09 14:24 ` Hans de Goede

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