1 files changed, 4 insertions, 1 deletions

diff --git a/net/mac80211/rc80211_minstrel.c b/net/mac80211/rc80211_minstrel.c
index b218b98fba7f..37771abd8f5a 100644
--- a/net/mac80211/rc80211_minstrel.c
+++ b/net/mac80211/rc80211_minstrel.c
@@ -66,7 +66,7 @@ rix_to_ndx(struct minstrel_sta_info *mi, int rix)
         for (i = rix; i >= 0; i--)
                 if (mi->r[i].rix == rix)
                         break;
-        WARN_ON(mi->r[i].rix != rix);
+        WARN_ON(i < 0);
         return i;
 }
 
@@ -181,6 +181,9 @@ minstrel_tx_status(void *priv, struct ieee80211_supported_band *sband,
                         break;
 
                 ndx = rix_to_ndx(mi, ar[i].idx);
+                if (ndx < 0)
+                        continue;
+
                 mi->r[ndx].attempts += ar[i].count;
 
                 if ((i != IEEE80211_TX_MAX_RATES - 1) && (ar[i + 1].idx < 0))