From b62177a0aa0521fd07cd7501534c0c3b256ebce6 Mon Sep 17 00:00:00 2001 From: Stanislaw Gruszka Date: Fri, 20 Aug 2010 15:23:47 +0200 Subject: iwlwifi: fix canceling monitor_recover timer To make del_timer_sync() works we have to assure that timer function does not rearm the timer. To achieve that we cancel timer with STATUS_EXIT_PENDING bit set in __iwl{3945,}_down function. Patch also fix priv->txq memory usage after free for iwl3945, because it move timer cancellation before iwl3945_hw_txq_ctx_free(priv) is called. Signed-off-by: Stanislaw Gruszka Signed-off-by: John W. Linville --- drivers/net/wireless/iwlwifi/iwl3945-base.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) (limited to 'drivers/net/wireless/iwlwifi/iwl3945-base.c') diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c index 94d7e6e..53e6cbb 100644 --- a/drivers/net/wireless/iwlwifi/iwl3945-base.c +++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c @@ -2571,6 +2571,11 @@ static void __iwl3945_down(struct iwl_priv *priv) if (!exit_pending) set_bit(STATUS_EXIT_PENDING, &priv->status); + /* Stop TX queues watchdog. We need to have STATUS_EXIT_PENDING bit set + * to prevent rearm timer */ + if (priv->cfg->ops->lib->recover_from_tx_stall) + del_timer_sync(&priv->monitor_recover); + /* Station information will now be cleared in device */ iwl_clear_ucode_stations(priv); iwl_dealloc_bcast_station(priv); @@ -3811,8 +3816,6 @@ static void iwl3945_cancel_deferred_work(struct iwl_priv *priv) cancel_delayed_work(&priv->alive_start); cancel_work_sync(&priv->start_internal_scan); cancel_work_sync(&priv->beacon_update); - if (priv->cfg->ops->lib->recover_from_tx_stall) - del_timer_sync(&priv->monitor_recover); } static struct attribute *iwl3945_sysfs_entries[] = { -- cgit v1.1