mac80211: Fix queuing of scan containing a SSID
This patch fixes scanning for specific ssid's which is broken due to the
scan being queued up without respecting the ssid to scan for.
Signed-off-by: Helmut Schaa <hschaa@suse.de>
Signed-off-by: Jiri Benc <jbenc@suse.cz>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 4b4ed2a..d575ccd 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -241,6 +241,8 @@
u8 bssid[ETH_ALEN], prev_bssid[ETH_ALEN];
u8 ssid[IEEE80211_MAX_SSID_LEN];
size_t ssid_len;
+ u8 scan_ssid[IEEE80211_MAX_SSID_LEN];
+ size_t scan_ssid_len;
u16 aid;
u16 ap_capab, capab;
u8 *extra_ie; /* to be added to the end of AssocReq */
diff --git a/net/mac80211/ieee80211_sta.c b/net/mac80211/ieee80211_sta.c
index fda0e06..fc6a3ff 100644
--- a/net/mac80211/ieee80211_sta.c
+++ b/net/mac80211/ieee80211_sta.c
@@ -1998,7 +1998,10 @@
if (ifsta->state != IEEE80211_AUTHENTICATE &&
ifsta->state != IEEE80211_ASSOCIATE &&
test_and_clear_bit(IEEE80211_STA_REQ_SCAN, &ifsta->request)) {
- ieee80211_sta_start_scan(dev, NULL, 0);
+ if (ifsta->scan_ssid_len)
+ ieee80211_sta_start_scan(dev, ifsta->scan_ssid, ifsta->scan_ssid_len);
+ else
+ ieee80211_sta_start_scan(dev, NULL, 0);
return;
}
@@ -2868,6 +2871,9 @@
return -EBUSY;
}
+ 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;