ath9k: Clear HT info on starting the driver

Doing an interface down/up leaves the old HT assoc
information, clear it.

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

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/net/wireless/ath9k/main.c b/drivers/net/wireless/ath9k/main.c
index 85a23c6a9d83..e177de47e3e0 100644
--- a/drivers/net/wireless/ath9k/main.c
+++ b/drivers/net/wireless/ath9k/main.c
@@ -978,6 +978,8 @@ static int ath9k_start(struct ieee80211_hw *hw)
         DPRINTF(sc, ATH_DBG_CONFIG, "%s: Starting driver with "
                 "initial channel: %d MHz\n", __func__, curchan->center_freq);
 
+        memset(&sc->sc_ht_info, 0, sizeof(struct ath_ht_info));
+
         /* setup initial channel */
 
         pos = ath_get_channel(sc, curchan);