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| author | Lorenzo Bianconi <lorenzo@kernel.org> | 2020-07-03 10:15:50 +0200 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2020-07-21 19:01:17 +0200 |
| commit | 030aaeddbab161403aa4e4f34b84971bb5db7a9f (patch) | |
| tree | 8e7c71e5e5416c4d8ab0e2ec326552f5be1322b3 | |
| parent | mt76: mt7615: wake device before performing freq scan (diff) | |
| download | linux-030aaeddbab161403aa4e4f34b84971bb5db7a9f.tar.gz linux-030aaeddbab161403aa4e4f34b84971bb5db7a9f.zip | |
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>
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7615/init.c | 2 |
1 files changed, 2 insertions, 0 deletions
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 |