renegade-project/linux-next
2
0
Fork 0
mirror of https://github.com/edk2-porting/linux-next.git synced 2024-12-16 01:04:08 +08:00
Code

ath5k: fix locking in tx_complete_poll_work

Browse Source 
ath5k_reset must be called with sc->lock.  Since the tx queue
watchdog runs in a workqueue and accesses sc, it's appropriate
to just take the lock over the whole function.

Signed-off-by: Bob Copeland <me@bobcopeland.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Bob Copeland 2011-01-18 08:06:43 -05:00 committed by John W. Linville
parent 811ea256b3
commit 599b13adc2
1 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/net/wireless/ath/ath5k/base.c
View File

@ -2294,6 +2294,8 @@ ath5k_tx_complete_poll_work(struct work_struct *work)
int i;
bool needreset = false;
mutex_lock(&sc->lock);
for (i = 0; i < ARRAY_SIZE(sc->txqs); i++) {
if (sc->txqs[i].setup) {
txq = &sc->txqs[i];
@ -2321,6 +2323,8 @@ ath5k_tx_complete_poll_work(struct work_struct *work)
ath5k_reset(sc, NULL, true);
}
mutex_unlock(&sc->lock);
ieee80211_queue_delayed_work(sc->hw, &sc->tx_complete_work,
msecs_to_jiffies(ATH5K_TX_COMPLETE_POLL_INT));
}