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RDMA/iwcm: Simplify cm_event_handler()

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queue_work() can test efficiently whether or not work is pending. Hence,
simplify cm_event_handler() by always calling queue_work() instead of only
if the list with pending work is empty.

Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20240605145117.397751-4-bvanassche@acm.org
Signed-off-by: Leon Romanovsky <leon@kernel.org>
This commit is contained in:
Bart Van Assche
2024-06-05 08:50:59 -06:00
committed by Leon Romanovsky
parent fc772e38bc
commit e1168f09b3
1 changed files with 2 additions and 5 deletions
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7
drivers/infiniband/core/iwcm.c
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@@ -1093,11 +1093,8 @@ static int cm_event_handler(struct iw_cm_id *cm_id,
}
refcount_inc(&cm_id_priv->refcount);
if (list_empty(&cm_id_priv->work_list)) {
list_add_tail(&work->list, &cm_id_priv->work_list);
queue_work(iwcm_wq, &work->work);
} else
list_add_tail(&work->list, &cm_id_priv->work_list);
list_add_tail(&work->list, &cm_id_priv->work_list);
queue_work(iwcm_wq, &work->work);
out:
spin_unlock_irqrestore(&cm_id_priv->lock, flags);
return ret;