diff options
Diffstat (limited to 'drivers/net/wireless/rtlwifi/rtl8192cu/trx.c')
| -rw-r--r-- | drivers/net/wireless/rtlwifi/rtl8192cu/trx.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/net/wireless/rtlwifi/rtl8192cu/trx.c b/drivers/net/wireless/rtlwifi/rtl8192cu/trx.c index 659e0ca95c64..d0b0d43b9a6d 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192cu/trx.c +++ b/drivers/net/wireless/rtlwifi/rtl8192cu/trx.c @@ -504,7 +504,7 @@ void rtl92cu_tx_fill_desc(struct ieee80211_hw *hw, struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); bool defaultadapter = true; - struct ieee80211_sta *sta = ieee80211_find_sta(mac->vif, mac->bssid); + struct ieee80211_sta *sta; struct rtl_tcb_desc tcb_desc; u8 *qc = ieee80211_get_qos_ctl(hdr); u8 tid = qc[0] & IEEE80211_QOS_CTL_TID_MASK; @@ -562,10 +562,13 @@ void rtl92cu_tx_fill_desc(struct ieee80211_hw *hw, SET_TX_DESC_DATA_BW(txdesc, 0); SET_TX_DESC_DATA_SC(txdesc, 0); } + rcu_read_lock(); + sta = ieee80211_find_sta(mac->vif, mac->bssid); if (sta) { u8 ampdu_density = sta->ht_cap.ampdu_density; SET_TX_DESC_AMPDU_DENSITY(txdesc, ampdu_density); } + rcu_read_unlock(); if (info->control.hw_key) { struct ieee80211_key_conf *keyconf = info->control.hw_key; switch (keyconf->cipher) { |