1 files changed, 4 insertions, 1 deletions

diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index 16d83d0c0959..bce313e85cff 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -1740,7 +1740,10 @@ int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb,
         int frmlen = skb->len + FCS_LEN;
         int q;
 
-        txctl->an = (struct ath_node *)sta->drv_priv;
+        /* NOTE:  sta can be NULL according to net/mac80211.h */
+        if (sta)
+                txctl->an = (struct ath_node *)sta->drv_priv;
+
         if (info->control.hw_key)
                 frmlen += info->control.hw_key->icv_len;