--- a1c9e21b8ad190ebc11f15b9111c2e03fe5500ed
+++ e7660728a2ed970af93269bcc07d08631bb78469
@@ -872,7 +872,7 @@ struct ieee80211_ht_info {
 /* block-ack parameters */
 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
-#define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
+#define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFA0
 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800