After disabling interrupts, it's possible irq & tasklet is pending or running
This patch eleminates races for down iwlwifi
Signed-off-by: Joonwoo Park <[EMAIL PROTECTED]>
---
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
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