1 files changed, 7 insertions, 0 deletions

diff --git a/net/mac80211/rc80211_minstrel_ht.c b/net/mac80211/rc80211_minstrel_ht.c
index 2b42564d6e29..16e0b277b9a8 100644
--- a/net/mac80211/rc80211_minstrel_ht.c
+++ b/net/mac80211/rc80211_minstrel_ht.c
@@ -568,6 +568,13 @@ minstrel_get_sample_rate(struct minstrel_priv *mp, struct minstrel_ht_sta *mi)
         minstrel_next_sample_idx(mi);
 
         /*
+         * Sampling might add some overhead (RTS, no aggregation)
+         * to the frame. Hence, don't use sampling for the currently
+         * used max TP rate.
+         */
+        if (sample_idx == mi->max_tp_rate)
+                return -1;
+        /*
          * When not using MRR, do not sample if the probability is already
          * higher than 95% to avoid wasting airtime
          */