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ath9k: spin_lock_bh is not required within tasklet context.

Disabling BH is not required while running from a tasklet context
and so replace spin_lock_bh with just spin_lock.

Signed-off-by: Senthil Balasubramanian <senthilkumar@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Senthil Balasubramanian 2010-12-23 21:06:57 +05:30 committed by John W. Linville
parent cd017f25e3
commit 52671e43db

View File

@ -599,7 +599,7 @@ void ath9k_tasklet(unsigned long data)
return;
}
spin_lock_bh(&sc->sc_pcu_lock);
spin_lock(&sc->sc_pcu_lock);
if (!ath9k_hw_check_alive(ah))
ieee80211_queue_work(sc->hw, &sc->hw_check_work);
@ -643,7 +643,7 @@ void ath9k_tasklet(unsigned long data)
/* re-enable hardware interrupt */
ath9k_hw_enable_interrupts(ah);
spin_unlock_bh(&sc->sc_pcu_lock);
spin_unlock(&sc->sc_pcu_lock);
ath9k_ps_restore(sc);
}