1 files changed, 1 insertions, 0 deletions

diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index d6669fd3ffa8..003e4a03874e 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -330,6 +330,7 @@ struct ieee80211_tx_info {
 
         union {
                 struct {
+                        /* NB: vif can be NULL for injected frames */
                         struct ieee80211_vif *vif;
                         struct ieee80211_key_conf *hw_key;
                         struct ieee80211_sta *sta;