mt76x2: dfs: avoid tasklet scheduling during mt76x2_dfs_init_params()

Substitute tasklet_kill with tasklet_disable/tasklet_enable in order to
guarantee dfs tasklet can not be executed during dfs parameter
initialization

Signed-off-by: Lorenzo Bianconi <[email protected]>
This commit is contained in:
Lorenzo Bianconi
2018-01-18 19:06:06 +01:00
committed by Felix Fietkau
parent 2b7fae40d6
commit 939e3e0ce2
2 changed files with 2 additions and 1 deletions
-1
View File
@@ -460,7 +460,6 @@ void mt76x2_dfs_init_params(struct mt76x2_dev *dev)
{
struct cfg80211_chan_def *chandef = &dev->mt76.chandef;
tasklet_kill(&dev->dfs_pd.dfs_tasklet);
if (chandef->chan->flags & IEEE80211_CHAN_RADAR) {
mt76x2_dfs_set_bbp_params(dev);
/* enable debug mode */
+2
View File
@@ -127,6 +127,7 @@ mt76x2_set_channel(struct mt76x2_dev *dev, struct cfg80211_chan_def *chandef)
mt76_set_channel(&dev->mt76);
tasklet_disable(&dev->pre_tbtt_tasklet);
tasklet_disable(&dev->dfs_pd.dfs_tasklet);
cancel_delayed_work_sync(&dev->cal_work);
mt76x2_mac_stop(dev, true);
@@ -139,6 +140,7 @@ mt76x2_set_channel(struct mt76x2_dev *dev, struct cfg80211_chan_def *chandef)
mt76x2_dfs_init_params(dev);
mt76x2_mac_resume(dev);
tasklet_enable(&dev->dfs_pd.dfs_tasklet);
tasklet_enable(&dev->pre_tbtt_tasklet);
return ret;