Commit 35c57281 authored by Lorenzo Bianconi's avatar Lorenzo Bianconi Committed by Felix Fietkau
Browse files

mt76: dfs: run mt76x02_dfs_set_domain atomically 



Grab mt76_dev mutex in mt76x02_dfs_set_domain since it runs
concurrently with mt76x{0,2}_set_channel routines

Signed-off-by: default avatarLorenzo Bianconi <lorenzo.bianconi@redhat.com>
Signed-off-by: default avatarFelix Fietkau <nbd@nbd.name>
parent bf349ce1

drivers/net/wireless/mediatek/mt76/mt76x02_dfs.c

+2 −0
Original line number Diff line number Diff line
@@ -881,12 +881,14 @@ mt76x02_dfs_set_domain(struct mt76x02_dev *dev, 
{

	struct mt76x02_dfs_pattern_detector *dfs_pd = &dev->dfs_pd;



	mutex_lock(&dev->mt76.mutex);

	if (dfs_pd->region != region) {

		tasklet_disable(&dfs_pd->dfs_tasklet);

		dfs_pd->region = region;

		mt76x02_dfs_init_params(dev);

		tasklet_enable(&dfs_pd->dfs_tasklet);

	}

	mutex_unlock(&dev->mt76.mutex);

}



void mt76x02_regd_notifier(struct wiphy *wiphy,