Using list_move_tail() instead of list_del() + list_add_tail() in ssh_packet_layer.c. Reported-by: Hulk Robot <hulkci@xxxxxxxxxx> Signed-off-by: Baokun Li <libaokun1@xxxxxxxxxx> --- 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);
