1 files changed, 2 insertions, 1 deletions

diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 304d6cfc6250..43bfa8199811 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -4086,7 +4086,8 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
         rcu_read_unlock();
 
         if (bss->wmm_used && bss->uapsd_supported &&
-            (sdata->local->hw.flags & IEEE80211_HW_SUPPORTS_UAPSD)) {
+            (sdata->local->hw.flags & IEEE80211_HW_SUPPORTS_UAPSD) &&
+            sdata->wmm_acm != 0xff) {
                 assoc_data->uapsd = true;
                 ifmgd->flags |= IEEE80211_STA_UAPSD_ENABLED;
         } else {