diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 21951ba..541e3e6 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -563,8 +563,8 @@
 				IEEE80211_TX_RC_USE_RTS_CTS;
 
 		/* RC is busted */
-		if (WARN_ON(info->control.rates[i].idx >=
-			    sband->n_bitrates)) {
+		if (WARN_ON_ONCE(info->control.rates[i].idx >=
+				 sband->n_bitrates)) {
 			info->control.rates[i].idx = -1;
 			continue;
 		}