1 files changed, 10 insertions, 2 deletions

diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c
index c833b6ce9902..0d4a759ba72c 100644
--- a/net/mac80211/debugfs_sta.c
+++ b/net/mac80211/debugfs_sta.c
@@ -218,11 +218,19 @@ static ssize_t sta_ht_capa_read(struct file *file, char __user *userbuf,
                 p += scnprintf(p, sizeof(buf)+buf-p, "ampdu factor/density: %d/%d\n",
                                 htc->ampdu_factor, htc->ampdu_density);
                 p += scnprintf(p, sizeof(buf)+buf-p, "MCS mask:");
+
                 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++)
                         p += scnprintf(p, sizeof(buf)+buf-p, " %.2x",
                                         htc->mcs.rx_mask[i]);
-                p += scnprintf(p, sizeof(buf)+buf-p, "\nMCS rx highest: %d\n",
-                                le16_to_cpu(htc->mcs.rx_highest));
+                p += scnprintf(p, sizeof(buf)+buf-p, "\n");
+
+                /* If not set this is meaningless */
+                if (le16_to_cpu(htc->mcs.rx_highest)) {
+                        p += scnprintf(p, sizeof(buf)+buf-p,
+                                       "MCS rx highest: %d Mbps\n",
+                                       le16_to_cpu(htc->mcs.rx_highest));
+                }
+
                 p += scnprintf(p, sizeof(buf)+buf-p, "MCS tx params: %x\n",
                                 htc->mcs.tx_params);
         }