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>

diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index c5cf863..0f1b624 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -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);
 }