diff options
| author | Christian Lamparter <chunkeey@web.de> | 2009-05-23 18:31:21 (GMT) |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2009-06-03 18:05:15 (GMT) |
| commit | b55d6bcf9b7082ae613e5d532608abcd409164ca (patch) | |
| tree | 43c0240aaa07bc53089b01dfcfd0d86afd0efa14 /drivers/net/wireless/ath | |
| parent | 2431fe9a4b43ccf03589fa661662da6bfbd97282 (diff) | |
| download | linux-fsl-qoriq-b55d6bcf9b7082ae613e5d532608abcd409164ca.tar.xz | |
ar9170: fix lockdep warning on hibernate
This patch takes care of Johannes' deadlock report by moving the
mutex_lock right after cancel_work_sync in ar9170_op_stop.
Besides, the janitor does not need to hold the mutex anymore,
so this extra lines can be removed as well.
Signed-off-by: Christian Lamparter <chunkeey@web.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath')
| -rw-r--r-- | drivers/net/wireless/ath/ar9170/main.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/drivers/net/wireless/ath/ar9170/main.c b/drivers/net/wireless/ath/ar9170/main.c index 1657e89..63528f1 100644 --- a/drivers/net/wireless/ath/ar9170/main.c +++ b/drivers/net/wireless/ath/ar9170/main.c @@ -343,7 +343,6 @@ static void ar9170_tx_status_janitor(struct work_struct *work) if (unlikely(!IS_STARTED(ar))) return ; - mutex_lock(&ar->mutex); /* recycle the garbage back to mac80211... one by one. */ while ((skb = skb_dequeue(&ar->global_tx_status_waste))) { #ifdef AR9170_QUEUE_DEBUG @@ -369,8 +368,6 @@ static void ar9170_tx_status_janitor(struct work_struct *work) if (skb_queue_len(&ar->global_tx_status_waste) > 0) queue_delayed_work(ar->hw->workqueue, &ar->tx_status_janitor, msecs_to_jiffies(100)); - - mutex_unlock(&ar->mutex); } static void ar9170_handle_command_response(struct ar9170 *ar, @@ -1013,10 +1010,10 @@ static void ar9170_op_stop(struct ieee80211_hw *hw) flush_workqueue(ar->hw->workqueue); - mutex_lock(&ar->mutex); cancel_delayed_work_sync(&ar->tx_status_janitor); cancel_work_sync(&ar->filter_config_work); cancel_work_sync(&ar->beacon_work); + mutex_lock(&ar->mutex); skb_queue_purge(&ar->global_tx_status_waste); skb_queue_purge(&ar->global_tx_status); |