mac80211: further improve "no supported rates" warning

Allow distinguishing the non-station case from the case of a
station without rates, by using -1 for the non-station case.
This value cannot be reached with a station since that many
legacy rates don't exist.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

diff --git a/net/mac80211/rate.c b/net/mac80211/rate.c
index b07e2f748f9388f0e7f591555aced4856200292f..a4e2f4e67f941084714fedab7b7e087df4fbb47f 100644 (file)
--- a/net/mac80211/rate.c
+++ b/net/mac80211/rate.c
@@ -307,7 +307,7 @@ static void __rate_control_send_low(struct ieee80211_hw *hw,
        }
        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,
+                 sta ? sta->supp_rates[sband->band] : -1,
                  rate_mask, rate_flags);
 
        info->control.rates[0].count =