ar76c50x-usb: cancel promisc work during mac80211 stop

We weren't ever cancelling this.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Acked-by: Kalle Valo <kalle.valo@iki.fi>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/net/wireless/at76c50x-usb.c b/drivers/net/wireless/at76c50x-usb.c
index 13303fa34734..bbf5277aeef4 100644
--- a/drivers/net/wireless/at76c50x-usb.c
+++ b/drivers/net/wireless/at76c50x-usb.c
@@ -1773,6 +1773,8 @@ static void at76_mac80211_stop(struct ieee80211_hw *hw)
 
         at76_dbg(DBG_MAC80211, "%s()", __func__);
 
+        cancel_work_sync(&priv->work_set_promisc);
+
         mutex_lock(&priv->mtx);
 
         if (!priv->device_unplugged) {