linux-kernel - [PATCH] cw1200: remove an unneeded NULL check on list iterator

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Date:   Sat, 19 Mar 2022 14:38:00 +0800
From:   Xiaomeng Tong <xiam0nd.tong@...il.com>
To:     pizza@...ftnet.org, kvalo@...nel.org, davem@...emloft.net,
        kuba@...nel.org
Cc:     linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Xiaomeng Tong <xiam0nd.tong@...il.com>
Subject: [PATCH] cw1200: remove an unneeded NULL check on list iterator

The list iterator 'item' is always non-NULL so it doesn't need to be
checked. Thus just remove the unnecessary NULL check. Also remove the
unnecessary initializer because the list iterator is always initialized.

Signed-off-by: Xiaomeng Tong <xiam0nd.tong@...il.com>
---
 drivers/net/wireless/st/cw1200/queue.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/st/cw1200/queue.c b/drivers/net/wireless/st/cw1200/queue.c
index 12952b1c29df..05392598e273 100644
--- a/drivers/net/wireless/st/cw1200/queue.c
+++ b/drivers/net/wireless/st/cw1200/queue.c
@@ -90,7 +90,7 @@ static void __cw1200_queue_gc(struct cw1200_queue *queue,
 			      bool unlock)
 {
 	struct cw1200_queue_stats *stats = queue->stats;
-	struct cw1200_queue_item *item = NULL, *tmp;
+	struct cw1200_queue_item *item, *tmp;
 	bool wakeup_stats = false;
 
 	list_for_each_entry_safe(item, tmp, &queue->queue, head) {
@@ -117,7 +117,7 @@ static void __cw1200_queue_gc(struct cw1200_queue *queue,
 			queue->overfull = false;
 			if (unlock)
 				__cw1200_queue_unlock(queue);
-		} else if (item) {
+		} else {
 			unsigned long tmo = item->queue_timestamp + queue->ttl;
 			mod_timer(&queue->gc, tmo);
 			cw1200_pm_stay_awake(&stats->priv->pm_state,
-- 
2.17.1