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ath9k: add missing locking around ath9k_hw_proc_mib_event

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ath9k_hw_proc_mib_event updates the cycle counters, so it common->cc_lock
must be acquired.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Felix Fietkau 2010-10-12 16:08:03 +02:00 committed by John W. Linville
parent 431c748214
commit 88eac2dad8
1 changed files with 2 additions and 0 deletions
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2
drivers/net/wireless/ath/ath9k/main.c
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@ -779,7 +779,9 @@ irqreturn_t ath_isr(int irq, void *dev)
* it will clear whatever condition caused
* the interrupt.
*/
spin_lock(&common->cc_lock);
ath9k_hw_proc_mib_event(ah);
spin_unlock(&common->cc_lock);
ath9k_hw_set_interrupts(ah, ah->imask);
}