ath9k: Fix chainmask handling bug

The chainmasks have to be updated before setting the channel,
since the HW reset routine uses them to set the appropriate registers.

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/net/wireless/ath9k/main.c b/drivers/net/wireless/ath9k/main.c
index 191eec50dc75..727f067aca4f 100644
--- a/drivers/net/wireless/ath9k/main.c
+++ b/drivers/net/wireless/ath9k/main.c
@@ -2164,13 +2164,13 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
                                                     conf->ht.channel_type);
                 }
 
+                ath_update_chainmask(sc, conf->ht.enabled);
+
                 if (ath_set_channel(sc, &sc->sc_ah->ah_channels[pos]) < 0) {
                         DPRINTF(sc, ATH_DBG_FATAL, "Unable to set channel\n");
                         mutex_unlock(&sc->mutex);
                         return -EINVAL;
                 }
-
-                ath_update_chainmask(sc, conf->ht.enabled);
         }
 
         if (changed & IEEE80211_CONF_CHANGE_POWER)