From 030aaeddbab161403aa4e4f34b84971bb5db7a9f Mon Sep 17 00:00:00 2001 From: Lorenzo Bianconi Date: Fri, 3 Jul 2020 10:15:50 +0200 Subject: 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 Signed-off-by: Felix Fietkau --- drivers/net/wireless/mediatek/mt76/mt7615/init.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/net/wireless/mediatek') diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/init.c b/drivers/net/wireless/mediatek/mt76/mt7615/init.c index 5bb87dd21279..fdc40a1c84c4 100644 --- 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 -- cgit v1.2.3