diff mbox series

[v2,11/22] mt76: mt7615: add missing lock in mt7615_regd_notifier

Message ID a8d8e4bc64d003972f04b9452ae723f6400842b7.1593763584.git.lorenzo@kernel.org (mailing list archive)
State New, archived
Headers show
Series add runtime-pm support to mt7663 driver | expand

Commit Message

Lorenzo Bianconi July 3, 2020, 8:15 a.m. UTC 
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>
---
 drivers/net/wireless/mediatek/mt76/mt7615/init.c | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

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