mac80211: Convert WARN_ON to WARN_ON_ONCE

When the control-rate tables are not set up correctly, it makes
little sense to spam the logs, thus change the WARN_ON to WARN_ON_ONCE.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 87d203f..9210bdc 100644 (file)
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -1327,7 +1327,7 @@ static inline struct ieee80211_rate *
 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];
 }