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authorBart Van Assche <bvanassche@acm.org>2024-06-05 08:51:00 -0600
committerLeon Romanovsky <leon@kernel.org>2024-06-09 11:15:27 +0300
commita1babdb5b615751ef5ace97a37f35d0ae40fbf13 (patch)
tree1b360db97dc8174ae40cbda6ccf83c7265f322bc /drivers/infiniband/core
parente1168f09b3314992f1c5251f3793102035da7237 (diff)
RDMA/iwcm: Simplify cm_work_handler()
Instead of complicating the code to avoid a spin_lock_irqsave() / spin_lock_irqrestore() pair before returning, simplify the code by removing the local variable 'empty'. Signed-off-by: Bart Van Assche <bvanassche@acm.org> Link: https://lore.kernel.org/r/20240605145117.397751-5-bvanassche@acm.org Signed-off-by: Leon Romanovsky <leon@kernel.org>
Diffstat (limited to 'drivers/infiniband/core')
-rw-r--r--drivers/infiniband/core/iwcm.c7
1 files changed, 1 insertions, 6 deletions
diff --git a/drivers/infiniband/core/iwcm.c b/drivers/infiniband/core/iwcm.c
index 3d66aec36899..4424f430fc08 100644
--- a/drivers/infiniband/core/iwcm.c
+++ b/drivers/infiniband/core/iwcm.c
@@ -1017,16 +1017,13 @@ static void cm_work_handler(struct work_struct *_work)
struct iw_cm_event levent;
struct iwcm_id_private *cm_id_priv = work->cm_id;
unsigned long flags;
- int empty;
int ret = 0;
spin_lock_irqsave(&cm_id_priv->lock, flags);
- empty = list_empty(&cm_id_priv->work_list);
- while (!empty) {
+ while (!list_empty(&cm_id_priv->work_list)) {
work = list_first_entry(&cm_id_priv->work_list,
struct iwcm_work, list);
list_del_init(&work->list);
- empty = list_empty(&cm_id_priv->work_list);
levent = work->event;
put_work(work);
spin_unlock_irqrestore(&cm_id_priv->lock, flags);
@@ -1039,8 +1036,6 @@ static void cm_work_handler(struct work_struct *_work)
pr_debug("dropping event %d\n", levent.event);
if (iwcm_deref_id(cm_id_priv))
return;
- if (empty)
- return;
spin_lock_irqsave(&cm_id_priv->lock, flags);
}
spin_unlock_irqrestore(&cm_id_priv->lock, flags);