We forgot to cancel this work at the stop() callback.
------------[ cut here ]------------
WARNING: at net/mac80211/util.c:511 ieee80211_queue_delayed_work+0x3a/0x40 [mac80211]()
Hardware name: 6460DWU
queueing ieee80211 work while going to suspend
Modules linked in: <-- snip -->
Pid: 5124, comm: phy0 Tainted: G W 2.6.31-rc3-wl #4
Call Trace:
[<ffffffffa03adcda>] ? ieee80211_queue_delayed_work+0x3a/0x40 [mac80211]
[<ffffffff810552b8>] warn_slowpath_common+0x78/0xd0
[<ffffffff81055394>] warn_slowpath_fmt+0x64/0x70
[<ffffffff814ed2c9>] ? thread_return+0x3e/0x635
[<ffffffffa03adcda>] ieee80211_queue_delayed_work+0x3a/0x40 [mac80211]
[<ffffffffa0297690>] ath_tx_complete_poll_work+0xc0/0x100 [ath9k]
[<ffffffffa02975d0>] ? ath_tx_complete_poll_work+0x0/0x100 [ath9k]
[<ffffffff81069b68>] worker_thread+0x178/0x260
[<ffffffff8106ecc0>] ? autoremove_wake_function+0x0/0x40
[<ffffffff810699f0>] ? worker_thread+0x0/0x260
[<ffffffff8106e89e>] kthread+0x9e/0xb0
[<ffffffff8101302a>] child_rip+0xa/0x20
[<ffffffff8106e800>] ? kthread+0x0/0xb0
[<ffffffff81013020>] ? child_rip+0x0/0x20
Signed-off-by: Luis R. Rodriguez <lrodriguez@xxxxxxxxxxx>
---
drivers/net/wireless/ath/ath9k/main.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 3eb3032..fff89cc 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -2100,6 +2100,8 @@ static void ath9k_stop(struct ieee80211_hw *hw)
mutex_lock(&sc->mutex);
+ cancel_delayed_work_sync(&sc->tx_complete_work);
+
if (ath9k_wiphy_started(sc)) {
mutex_unlock(&sc->mutex);
return; /* another wiphy still in use */
--
1.6.0.4
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