package/kernel/mac80211/patches/310-ath9k-set-ATH_OP_INVALID-before-disabling-hardware.patch

   1 From: Felix Fietkau <nbd@openwrt.org>
   2 Date: Thu, 13 Nov 2014 18:29:00 +0100
   3 Subject: [PATCH] ath9k: set ATH_OP_INVALID before disabling hardware
   4
   5 Closes another small IRQ handler race
   6
   7 Signed-off-by: Felix Fietkau <nbd@openwrt.org>
   8 ---
   9
  10 --- a/drivers/net/wireless/ath/ath9k/main.c
  11 +++ b/drivers/net/wireless/ath/ath9k/main.c
  12 @@ -885,6 +885,9 @@ static void ath9k_stop(struct ieee80211_
  13                                                     &sc->cur_chan->chandef);
  14
  15         ath9k_hw_reset(ah, ah->curchan, ah->caldata, false);
  16 +
  17 +       set_bit(ATH_OP_INVALID, &common->op_flags);
  18 +
  19         ath9k_hw_phy_disable(ah);
  20
  21         ath9k_hw_configpcipowersave(ah, true);
  22 @@ -893,7 +896,6 @@ static void ath9k_stop(struct ieee80211_
  23
  24         ath9k_ps_restore(sc);
  25
  26 -       set_bit(ATH_OP_INVALID, &common->op_flags);
  27         sc->ps_idle = prev_idle;
  28
  29         mutex_unlock(&sc->mutex);