diff options
| author |   Vivek Natarajan <vnatarajan@atheros.com> | 2011-01-27 14:45:10 +0530 |
|---|---|---|
| committer |   John W. Linville <linville@tuxdriver.com> | 2011-01-28 15:44:29 -0500 |
| commit | bdd62c067d596e2469b243af9887f46e5d47d971 (patch) | |
| tree | a8839c7610f31b0e39e9e3f2972c24e6379592fc | |
| parent | ath9k_hw: DDR_PLL and BB_PLL need correct setting. (diff) | |
| download | linux-dev-bdd62c067d596e2469b243af9887f46e5d47d971.tar.xz linux-dev-bdd62c067d596e2469b243af9887f46e5d47d971.zip | |
ath9k: Fix a locking related issue.
Spin_lock has been tried to be acquired twice from ath9k_tasklet
to ath_reset which resulted in a machine freeze.
Signed-off-by: Vivek Natarajan <vnatarajan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/xmit.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c index 10a3dbefaa09..d211aa7f1a3b 100644 --- a/drivers/net/wireless/ath/ath9k/xmit.c +++ b/drivers/net/wireless/ath/ath9k/xmit.c @@ -563,8 +563,11 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq, rcu_read_unlock(); - if (needreset) + if (needreset) { + spin_unlock_bh(&sc->sc_pcu_lock); ath_reset(sc, false); + spin_lock_bh(&sc->sc_pcu_lock); + } } static u32 ath_lookup_rate(struct ath_softc *sc, struct ath_buf *bf, |