1 files changed, 8 insertions, 3 deletions

diff --git a/drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c b/drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c
index cb5535cf3ae2..8646ff2a55ce 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c
@@ -1201,13 +1201,18 @@ static void rtl92c_dm_refresh_rate_adaptive_mask(struct ieee80211_hw *hw)
                                  "PreState = %d, CurState = %d\n",
                                  p_ra->pre_ratr_state, p_ra->ratr_state);
 
-                        rcu_read_lock();
-                        sta = ieee80211_find_sta(mac->vif, mac->bssid);
+                        /* Only the PCI card uses sta in the update rate table
+                         * callback routine */
+                        if (rtlhal->interface == INTF_PCI) {
+                                rcu_read_lock();
+                                sta = ieee80211_find_sta(mac->vif, mac->bssid);
+                        }
                         rtlpriv->cfg->ops->update_rate_tbl(hw, sta,
                                         p_ra->ratr_state);
 
                         p_ra->pre_ratr_state = p_ra->ratr_state;
-                        rcu_read_unlock();
+                        if (rtlhal->interface == INTF_PCI)
+                                rcu_read_unlock();
                 }
         }
 }