iwlwifi: mvm: use helpers to get iwl_mvm_sta

[deliverable/linux.git] / drivers / net / wireless / intel / iwlwifi / mvm / debugfs-vif.c

diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c
index fb96bc00f022586f5198e2519fe0e7e16a938ef4..b23271755daf3bc2d2f9781701e85694b3d5b47c 100644 (file)
--- a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c
@@ -281,13 +281,10 @@ static ssize_t iwl_dbgfs_mac_params_read(struct file *file,
 
        if (vif->type == NL80211_IFTYPE_STATION &&
            ap_sta_id != IWL_MVM_STATION_COUNT) {
-               struct ieee80211_sta *sta;
-
-               sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[ap_sta_id],
-                                               lockdep_is_held(&mvm->mutex));
-               if (!IS_ERR_OR_NULL(sta)) {
-                       struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta);
+               struct iwl_mvm_sta *mvm_sta;
 
+               mvm_sta = iwl_mvm_sta_from_staid_protected(mvm, ap_sta_id);
+               if (mvm_sta) {
                        pos += scnprintf(buf+pos, bufsz-pos,
                                         "ap_sta_id %d - reduced Tx power %d\n",
                                         ap_sta_id,