ath9k_hw: fix gentimer callback without overflow handler

If a gentimer has both the trigger and the overflow bits set, only
mask out the trigger bit if an overflow handler is present.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index a4b1ae0..160be02 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -3084,14 +3084,14 @@ void ath_gen_timer_isr(struct ath_hw *ah)
        trigger_mask &= timer_table->timer_mask;
        thresh_mask &= timer_table->timer_mask;
 
-       trigger_mask &= ~thresh_mask;
-
        for_each_set_bit(index, &thresh_mask, ARRAY_SIZE(timer_table->timers)) {
                timer = timer_table->timers[index];
                if (!timer)
                    continue;
                if (!timer->overflow)
                    continue;
+
+               trigger_mask &= ~BIT(index);
                timer->overflow(timer->arg);
        }