linux-kernel - [PATCH] mt76：mt7603： move spin_lock_bh() to spin

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:   Fri, 22 Apr 2022 14:07:23 +0800
From:   Yunbo Yu <yuyunbo519@...il.com>
To:     nbd@....name, lorenzo@...nel.org, ryder.lee@...iatek.com,
        shayne.chen@...iatek.com, sean.wang@...iatek.com, kvalo@...nel.org,
        davem@...emloft.net, kuba@...nel.org, pabeni@...hat.com,
        matthias.bgg@...il.com, yuyunbo519@...il.com
Cc:     linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH] mt76：mt7603： move spin_lock_bh() to spin_lock()

It is unnecessary to call spin_lock_bh(), for you are already in a tasklet.

Signed-off-by: Yunbo Yu <yuyunbo519@...il.com>
---
 drivers/net/wireless/mediatek/mt76/mt7603/beacon.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7603/beacon.c b/drivers/net/wireless/mediatek/mt76/mt7603/beacon.c
index 5d4522f440b7..b5e8308e0cc7 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7603/beacon.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7603/beacon.c
@@ -82,12 +82,12 @@ void mt7603_pre_tbtt_tasklet(struct tasklet_struct *t)
 	__skb_queue_head_init(&data.q);
 
 	q = dev->mphy.q_tx[MT_TXQ_BEACON];
-	spin_lock_bh(&q->lock);
+	spin_lock(&q->lock);
 	ieee80211_iterate_active_interfaces_atomic(mt76_hw(dev),
 		IEEE80211_IFACE_ITER_RESUME_ALL,
 		mt7603_update_beacon_iter, dev);
 	mt76_queue_kick(dev, q);
-	spin_unlock_bh(&q->lock);
+	spin_unlock(&q->lock);
 
 	/* Flush all previous CAB queue packets */
 	mt76_wr(dev, MT_WF_ARB_CAB_FLUSH, GENMASK(30, 16) | BIT(0));
@@ -117,7 +117,7 @@ void mt7603_pre_tbtt_tasklet(struct tasklet_struct *t)
 		mt76_skb_set_moredata(data.tail[i], false);
 	}
 
-	spin_lock_bh(&q->lock);
+	spin_lock(&q->lock);
 	while ((skb = __skb_dequeue(&data.q)) != NULL) {
 		struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
 		struct ieee80211_vif *vif = info->control.vif;
@@ -126,7 +126,7 @@ void mt7603_pre_tbtt_tasklet(struct tasklet_struct *t)
 		mt76_tx_queue_skb(dev, q, skb, &mvif->sta.wcid, NULL);
 	}
 	mt76_queue_kick(dev, q);
-	spin_unlock_bh(&q->lock);
+	spin_unlock(&q->lock);
 
 	for (i = 0; i < ARRAY_SIZE(data.count); i++)
 		mt76_wr(dev, MT_WF_ARB_CAB_COUNT_B0_REG(i),
-- 
2.25.1