Messages in this thread Patch in this message | | | From | Joonwoo Park <> | Subject | [PATCH 2/5] iwlwifi: iwl3945 synchronize interrupt and tasklet for down iwlwifi | Date | Wed, 9 Jan 2008 20:02:28 +0900 |
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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@gmail.com> --- 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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