mt76: mt7615: add missing lock in mt7615_regd_notifier

Make sure to run mt7615_dfs_init_radar_detector in mt7615_regd_notifier
holding mt76 mutex in order to avoid races and set the device in full
power

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/init.c b/drivers/net/wireless/mediatek/mt76/mt7615/init.c
index 5bb87dd2127998c49f26c617e4461b4cfae3a117..fdc40a1c84c49371503a2284a6c9b41f477bd5ba 100644 (file)
--- a/drivers/net/wireless/mediatek/mt76/mt7615/init.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/init.c
@@ -285,7 +285,9 @@ mt7615_regd_notifier(struct wiphy *wiphy,
        if (!(chandef->chan->flags & IEEE80211_CHAN_RADAR))
                return;
 
+       mt7615_mutex_acquire(dev);
        mt7615_dfs_init_radar_detector(phy);
+       mt7615_mutex_release(dev);
 }
 
 static void