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mt76x2: init: disable all pending tasklets during device removal

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There is a possible race in mt76x2_stop_hardware() since pre_tbtt and
dfs tasklets could run during driver cleanup. Fix it disabling all
pending tasklets during device removal

Signed-off-by: Lorenzo Bianconi <[email protected]>
This commit is contained in:
Lorenzo Bianconi
2018-01-30 10:34:04 +01:00
committed by Felix Fietkau
parent 2b5ea6f4e7
commit b242e2b109
1 changed files with 2 additions and 0 deletions
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mt76x2_init.c
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@@ -621,6 +621,8 @@ void mt76x2_stop_hardware(struct mt76x2_dev *dev)
void mt76x2_cleanup(struct mt76x2_dev *dev)
{
tasklet_disable(&dev->dfs_pd.dfs_tasklet);
tasklet_disable(&dev->pre_tbtt_tasklet);
mt76x2_stop_hardware(dev);
mt76x2_dma_cleanup(dev);
mt76x2_mcu_cleanup(dev);