After disabling interrupts, it's possible irq & tasklet is pending or running This patch eleminates races for down iwlwifi Signed-off-by: Joonwoo Park <joonwpark81@xxxxxxxxx> --- drivers/net/wireless/iwlwifi/iwl3945-base.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c index c97448d..3986aaf 100644 --- a/drivers/net/wireless/iwlwifi/iwl3945-base.c +++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c @@ -6262,6 +6262,10 @@ static void __iwl_down(struct iwl_priv *priv) /* tell the device to stop sending interrupts */ iwl_disable_interrupts(priv); + /* synchronize irq and tasklet */ + synchronize_irq(priv->pci_dev->irq); + tasklet_kill(&priv->irq_tasklet); + if (priv->mac80211_registered) ieee80211_stop_queues(priv->hw); -- 1.5.3.rc5 - To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
