diff options
Diffstat (limited to 'drivers/net/wireless/st/cw1200/scan.c')
| -rw-r--r-- | drivers/net/wireless/st/cw1200/scan.c | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/drivers/net/wireless/st/cw1200/scan.c b/drivers/net/wireless/st/cw1200/scan.c index 988581cc134b..1f856fbbc0ea 100644 --- a/drivers/net/wireless/st/cw1200/scan.c +++ b/drivers/net/wireless/st/cw1200/scan.c @@ -75,30 +75,27 @@ int cw1200_hw_scan(struct ieee80211_hw *hw, if (req->n_ssids > WSM_SCAN_MAX_NUM_OF_SSIDS) return -EINVAL; - /* will be unlocked in cw1200_scan_work() */ - down(&priv->scan.lock); - mutex_lock(&priv->conf_mutex); - frame.skb = ieee80211_probereq_get(hw, priv->vif->addr, NULL, 0, req->ie_len); - if (!frame.skb) { - mutex_unlock(&priv->conf_mutex); - up(&priv->scan.lock); + if (!frame.skb) return -ENOMEM; - } if (req->ie_len) skb_put_data(frame.skb, req->ie, req->ie_len); + /* will be unlocked in cw1200_scan_work() */ + down(&priv->scan.lock); + mutex_lock(&priv->conf_mutex); + ret = wsm_set_template_frame(priv, &frame); if (!ret) { /* Host want to be the probe responder. */ ret = wsm_set_probe_responder(priv, true); } if (ret) { - dev_kfree_skb(frame.skb); mutex_unlock(&priv->conf_mutex); up(&priv->scan.lock); + dev_kfree_skb(frame.skb); return ret; } @@ -120,8 +117,8 @@ int cw1200_hw_scan(struct ieee80211_hw *hw, ++priv->scan.n_ssids; } - dev_kfree_skb(frame.skb); mutex_unlock(&priv->conf_mutex); + dev_kfree_skb(frame.skb); queue_work(priv->workqueue, &priv->scan.work); return 0; } |