diff options
| -rw-r--r-- | net/mac80211/scan.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c index 1beefb5ad6f..9f612015012 100644 --- a/net/mac80211/scan.c +++ b/net/mac80211/scan.c @@ -674,23 +674,32 @@ int ieee80211_sta_start_scan(struct ieee80211_sub_if_data *scan_sdata, int ieee80211_sta_req_scan(struct ieee80211_sub_if_data *sdata, u8 *ssid, size_t ssid_len) { - struct ieee80211_if_sta *ifsta = &sdata->u.sta; struct ieee80211_local *local = sdata->local; + struct ieee80211_if_sta *ifsta; if (sdata->vif.type != IEEE80211_IF_TYPE_STA) return ieee80211_sta_start_scan(sdata, ssid, ssid_len); + /* + * STA has a state machine that might need to defer scanning + * while it's trying to associate/authenticate, therefore we + * queue it up to the state machine in that case. + */ + if (local->sta_sw_scanning || local->sta_hw_scanning) { if (local->scan_sdata == sdata) return 0; return -EBUSY; } + ifsta = &sdata->u.sta; + ifsta->scan_ssid_len = ssid_len; if (ssid_len) memcpy(ifsta->scan_ssid, ssid, ssid_len); set_bit(IEEE80211_STA_REQ_SCAN, &ifsta->request); queue_work(local->hw.workqueue, &ifsta->work); + return 0; } |