ath9k_hw: do not enable the MIB interrupt in the interrupt mask register

The interrupt is no longer handling it. While it shouldn't fire (wraparound
is highly unlikely), the consequences would be fatal (interrupt storm).
Disable the interrupt to prevent that from happening.

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 60b6a9d..d95474e 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -978,9 +978,6 @@ static void ath9k_hw_init_interrupt_masks(struct ath_hw *ah,
        else
                imr_reg |= AR_IMR_TXOK;
 
-       if (opmode == NL80211_IFTYPE_AP)
-               imr_reg |= AR_IMR_MIB;
-
        ENABLE_REGWRITE_BUFFER(ah);
 
        REG_WRITE(ah, AR_IMR, imr_reg);