diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 87d203f..9210bdc 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -1327,7 +1327,7 @@
 ieee80211_get_tx_rate(const struct ieee80211_hw *hw,
 		      const struct ieee80211_tx_info *c)
 {
-	if (WARN_ON(c->control.rates[0].idx < 0))
+	if (WARN_ON_ONCE(c->control.rates[0].idx < 0))
 		return NULL;
 	return &hw->wiphy->bands[c->band]->bitrates[c->control.rates[0].idx];
 }