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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 <lorenzo.bianconi@redhat.com>
Acked-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Lorenzo Bianconi 2018-01-23 10:03:24 +01:00 • committed by Kalle Valo
commit ba9797b2a7
1 changed files with 2 additions and 0 deletions
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drivers/net/wireless/mediatek/mt76/mt76x2_init.c
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@ -614,6 +614,8 @@ 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);