diff options
Diffstat (limited to 'drivers/net/wireless/microchip/wilc1000/cfg80211.c')
| -rw-r--r-- | drivers/net/wireless/microchip/wilc1000/cfg80211.c | 41 |
1 files changed, 17 insertions, 24 deletions
diff --git a/drivers/net/wireless/microchip/wilc1000/cfg80211.c b/drivers/net/wireless/microchip/wilc1000/cfg80211.c index 089102ed9ae5..7d9fb9f2d527 100644 --- a/drivers/net/wireless/microchip/wilc1000/cfg80211.c +++ b/drivers/net/wireless/microchip/wilc1000/cfg80211.c @@ -237,12 +237,11 @@ static int set_channel(struct wiphy *wiphy, struct wilc_vif *vif; u32 channelnum; int result; - int srcu_idx; - srcu_idx = srcu_read_lock(&wl->srcu); + rcu_read_lock(); vif = wilc_get_wl_to_vif(wl); if (IS_ERR(vif)) { - srcu_read_unlock(&wl->srcu, srcu_idx); + rcu_read_unlock(); return PTR_ERR(vif); } @@ -253,7 +252,7 @@ static int set_channel(struct wiphy *wiphy, if (result) netdev_err(vif->ndev, "Error in setting channel\n"); - srcu_read_unlock(&wl->srcu, srcu_idx); + rcu_read_unlock(); return result; } @@ -806,9 +805,8 @@ static int set_wiphy_params(struct wiphy *wiphy, u32 changed) struct wilc *wl = wiphy_priv(wiphy); struct wilc_vif *vif; struct wilc_priv *priv; - int srcu_idx; - srcu_idx = srcu_read_lock(&wl->srcu); + rcu_read_lock(); vif = wilc_get_wl_to_vif(wl); if (IS_ERR(vif)) goto out; @@ -863,7 +861,7 @@ static int set_wiphy_params(struct wiphy *wiphy, u32 changed) netdev_err(priv->dev, "Error in setting WIPHY PARAMS\n"); out: - srcu_read_unlock(&wl->srcu, srcu_idx); + rcu_read_unlock(); return ret; } @@ -1539,20 +1537,19 @@ static struct wireless_dev *add_virtual_intf(struct wiphy *wiphy, if (type == NL80211_IFTYPE_MONITOR) { struct net_device *ndev; - int srcu_idx; - srcu_idx = srcu_read_lock(&wl->srcu); + rcu_read_lock(); vif = wilc_get_vif_from_type(wl, WILC_AP_MODE); if (!vif) { vif = wilc_get_vif_from_type(wl, WILC_GO_MODE); if (!vif) { - srcu_read_unlock(&wl->srcu, srcu_idx); + rcu_read_unlock(); goto validate_interface; } } if (vif->monitor_flag) { - srcu_read_unlock(&wl->srcu, srcu_idx); + rcu_read_unlock(); goto validate_interface; } @@ -1560,12 +1557,12 @@ static struct wireless_dev *add_virtual_intf(struct wiphy *wiphy, if (ndev) { vif->monitor_flag = 1; } else { - srcu_read_unlock(&wl->srcu, srcu_idx); + rcu_read_unlock(); return ERR_PTR(-EINVAL); } wdev = &vif->priv.wdev; - srcu_read_unlock(&wl->srcu, srcu_idx); + rcu_read_unlock(); return wdev; } @@ -1613,7 +1610,7 @@ static int del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev) list_del_rcu(&vif->list); wl->vif_num--; mutex_unlock(&wl->vif_mutex); - synchronize_srcu(&wl->srcu); + synchronize_rcu(); return 0; } @@ -1638,25 +1635,23 @@ static void wilc_set_wakeup(struct wiphy *wiphy, bool enabled) { struct wilc *wl = wiphy_priv(wiphy); struct wilc_vif *vif; - int srcu_idx; - srcu_idx = srcu_read_lock(&wl->srcu); + rcu_read_lock(); vif = wilc_get_wl_to_vif(wl); if (IS_ERR(vif)) { - srcu_read_unlock(&wl->srcu, srcu_idx); + rcu_read_unlock(); return; } netdev_info(vif->ndev, "cfg set wake up = %d\n", enabled); wilc_set_wowlan_trigger(vif, enabled); - srcu_read_unlock(&wl->srcu, srcu_idx); + rcu_read_unlock(); } static int set_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev, enum nl80211_tx_power_setting type, int mbm) { int ret; - int srcu_idx; s32 tx_power = MBM_TO_DBM(mbm); struct wilc *wl = wiphy_priv(wiphy); struct wilc_vif *vif; @@ -1664,10 +1659,10 @@ static int set_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev, if (!wl->initialized) return -EIO; - srcu_idx = srcu_read_lock(&wl->srcu); + rcu_read_lock(); vif = wilc_get_wl_to_vif(wl); if (IS_ERR(vif)) { - srcu_read_unlock(&wl->srcu, srcu_idx); + rcu_read_unlock(); return -EINVAL; } @@ -1679,7 +1674,7 @@ static int set_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev, ret = wilc_set_tx_power(vif, tx_power); if (ret) netdev_err(vif->ndev, "Failed to set tx power\n"); - srcu_read_unlock(&wl->srcu, srcu_idx); + rcu_read_unlock(); return ret; } @@ -1762,7 +1757,6 @@ static void wlan_init_locks(struct wilc *wl) init_completion(&wl->cfg_event); init_completion(&wl->sync_event); init_completion(&wl->txq_thread_started); - init_srcu_struct(&wl->srcu); } void wlan_deinit_locks(struct wilc *wilc) @@ -1773,7 +1767,6 @@ void wlan_deinit_locks(struct wilc *wilc) mutex_destroy(&wilc->txq_add_to_head_cs); mutex_destroy(&wilc->vif_mutex); mutex_destroy(&wilc->deinit_lock); - cleanup_srcu_struct(&wilc->srcu); } int wilc_cfg80211_init(struct wilc **wilc, struct device *dev, int io_type, |