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authorJohannes Berg <johannes.berg@intel.com>2015-09-23 14:02:47 +0200
committerJohannes Berg <johannes.berg@intel.com>2015-09-29 15:56:48 +0200
commit0e5c371aa05522ac14e91ddee0522ad855e12d02 (patch)
tree7b3058c77ffa24af467bbf86d5c135b2075619f1 /net/mac80211
parenta0c391b1345cfaecfb24c3c07378d80f6168fb61 (diff)
mac80211: improve __rate_control_send_low warning
If there are no supported rates in the rate mask with the required flags, we warn, but it's not clear which part causes the warning. Add the relevant data to the warning to understand why it happens. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211')
-rw-r--r--net/mac80211/rate.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/net/mac80211/rate.c b/net/mac80211/rate.c
index 9857693b91ec..48d053b00858 100644
--- 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) ?