1 files changed, 6 insertions, 3 deletions

diff --git a/net/mac80211/rate.h b/net/mac80211/rate.h
index 2ab5ad9e71ce..cb9bd1f65e27 100644
--- a/net/mac80211/rate.h
+++ b/net/mac80211/rate.h
@@ -59,6 +59,9 @@ static inline void rate_control_rate_init(struct sta_info *sta)
         void *priv_sta = sta->rate_ctrl_priv;
         struct ieee80211_supported_band *sband;
 
+        if (!ref)
+                return;
+
         sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
 
         ref->ops->rate_init(ref->priv, sband, ista, priv_sta);
@@ -72,7 +75,7 @@ static inline void rate_control_rate_update(struct ieee80211_local *local,
         struct ieee80211_sta *ista = &sta->sta;
         void *priv_sta = sta->rate_ctrl_priv;
 
-        if (ref->ops->rate_update)
+        if (ref && ref->ops->rate_update)
                 ref->ops->rate_update(ref->priv, sband, ista,
                                       priv_sta, changed);
 }
@@ -97,7 +100,7 @@ static inline void rate_control_add_sta_debugfs(struct sta_info *sta)
 {
 #ifdef CONFIG_MAC80211_DEBUGFS
         struct rate_control_ref *ref = sta->rate_ctrl;
-        if (sta->debugfs.dir && ref->ops->add_sta_debugfs)
+        if (ref && sta->debugfs.dir && ref->ops->add_sta_debugfs)
                 ref->ops->add_sta_debugfs(ref->priv, sta->rate_ctrl_priv,
                                           sta->debugfs.dir);
 #endif
@@ -107,7 +110,7 @@ static inline void rate_control_remove_sta_debugfs(struct sta_info *sta)
 {
 #ifdef CONFIG_MAC80211_DEBUGFS
         struct rate_control_ref *ref = sta->rate_ctrl;
-        if (ref->ops->remove_sta_debugfs)
+        if (ref && ref->ops->remove_sta_debugfs)
                 ref->ops->remove_sta_debugfs(ref->priv, sta->rate_ctrl_priv);
 #endif
 }