mac80211: improve __rate_control_send_low warning

[firefly-linux-kernel-4.4.55.git] / net / mac80211 / rate.c

diff --git a/net/mac80211/rate.c b/net/mac80211/rate.c
index 9857693b91ec721ff71e3f3cd1087ccc289912e1..48d053b0085804d77e826d2705e767a08e517472 100644 (file)
--- a/net/mac80211/rate.c
+++ b/net/mac80211/rate.c
@@ -305,7 +305,10 @@ static void __rate_control_send_low(struct ieee80211_hw *hw,
                info->control.rates[0].idx = i;
                break;
        }
-       WARN_ON_ONCE(i == sband->n_bitrates);
+       WARN_ONCE(i == sband->n_bitrates,
+                 "no supported rates (0x%x) in rate_mask 0x%x with flags 0x%x\n",
+                 sta ? sta->supp_rates[sband->band] : 0,
+                 rate_mask, rate_flags);
 
        info->control.rates[0].count =
                (info->flags & IEEE80211_TX_CTL_NO_ACK) ?