[PATCH mt76] wifi: mt76: mt7996: Add missing mutex_{lock,unlock} in mt7996_mac_sta_rc_work()

[Lorenzo Bianconi]

Grab the mt76 mutex running mt7996_mac_sta_rc_work() since it is
required by mt7996_mcu_add_rate_ctrl routine.

Fixes: 28d519d0d493a ("wifi: mt76: Move RCU section in mt7996_mcu_add_rate_ctrl_fixed()")
Signed-off-by: Lorenzo Bianconi <lorenzo at kernel.org>
---
 drivers/net/wireless/mediatek/mt76/mt7996/mac.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/mac.c b/drivers/net/wireless/mediatek/mt76/mt7996/mac.c
index 8ddb6d69f0da2c49b72bd516dd380fad959eb063..2560e2f46e89a4bc46e21d796fca80b7decefa5c 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7996/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7996/mac.c
@@ -2890,6 +2890,8 @@ void mt7996_mac_sta_rc_work(struct work_struct *work)
 	LIST_HEAD(list);
 	u32 changed;
 
+	mutex_lock(&dev->mt76.mutex);
+
 	spin_lock_bh(&dev->mt76.sta_poll_lock);
 	list_splice_init(&dev->sta_rc_list, &list);
 
@@ -2922,6 +2924,8 @@ void mt7996_mac_sta_rc_work(struct work_struct *work)
 	}
 
 	spin_unlock_bh(&dev->mt76.sta_poll_lock);
+
+	mutex_unlock(&dev->mt76.mutex);
 }
 
 void mt7996_mac_work(struct work_struct *work)

---
base-commit: 09600421ffe2acc1a00ec466b25485f11b6bb957
change-id: 20251118-mt7996-rc-work-missing-mtx-abec584f56af

Best regards,
-- 
Lorenzo Bianconi <lorenzo at kernel.org>