mac80211: warn only once if ampdu_action isn't assigned

New drivers that might not support ampdu_action yet while in
development cause a lot of warnings, use WARN_ON_ONCE instead.

Signed-off-by: T Krushna Chaitanya <chaitanyatk@posedge.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c
index 4152ed1034b8..eb9df22418f0 100644
--- a/net/mac80211/agg-tx.c
+++ b/net/mac80211/agg-tx.c
@@ -445,7 +445,7 @@ int ieee80211_start_tx_ba_session(struct ieee80211_sta *pubsta, u16 tid,
 
         trace_api_start_tx_ba_session(pubsta, tid);
 
-        if (WARN_ON(!local->ops->ampdu_action))
+        if (WARN_ON_ONCE(!local->ops->ampdu_action))
                 return -EINVAL;
 
         if ((tid >= IEEE80211_NUM_TIDS) ||