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@xxxxxxxxxx> --- drivers/net/wireless/mediatek/mt76/mt7615/init.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/init.c b/drivers/net/wireless/mediatek/mt76/mt7615/init.c index c22878b82540..59c59e8630c1 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/init.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/init.c @@ -294,7 +294,9 @@ 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 -- 2.26.2