1 files changed, 7 insertions, 1 deletions

diff --git a/drivers/net/wireless/ath9k/main.c b/drivers/net/wireless/ath9k/main.c
index 74726990d59..f05f584ab7b 100644
--- a/drivers/net/wireless/ath9k/main.c
+++ b/drivers/net/wireless/ath9k/main.c
@@ -1640,6 +1640,11 @@ static int ath9k_ampdu_action(struct ieee80211_hw *hw,
         return ret;
 }
 
+static int ath9k_no_fragmentation(struct ieee80211_hw *hw, u32 value)
+{
+        return -EOPNOTSUPP;
+}
+
 static struct ieee80211_ops ath9k_ops = {
         .tx                 = ath9k_tx,
         .start              = ath9k_start,
@@ -1664,7 +1669,8 @@ static struct ieee80211_ops ath9k_ops = {
         .get_tsf            = ath9k_get_tsf,
         .reset_tsf          = ath9k_reset_tsf,
         .tx_last_beacon     = NULL,
-        .ampdu_action       = ath9k_ampdu_action
+        .ampdu_action       = ath9k_ampdu_action,
+        .set_frag_threshold = ath9k_no_fragmentation,
 };
 
 static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)