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Diffstat (limited to 'net/wireless/chan.c')
-rw-r--r--net/wireless/chan.c29
1 files changed, 19 insertions, 10 deletions
diff --git a/net/wireless/chan.c b/net/wireless/chan.c
index 7aaf7415dc4c..5bcffdbf3e88 100644
--- a/net/wireless/chan.c
+++ b/net/wireless/chan.c
@@ -709,7 +709,7 @@ EXPORT_SYMBOL(cfg80211_chandef_usable);
static bool cfg80211_go_permissive_chan(struct cfg80211_registered_device *rdev,
struct ieee80211_channel *chan)
{
- struct wireless_dev *wdev_iter;
+ struct wireless_dev *wdev;
struct wiphy *wiphy = wiphy_idx_to_wiphy(rdev->wiphy_idx);
ASSERT_RTNL();
@@ -732,18 +732,27 @@ static bool cfg80211_go_permissive_chan(struct cfg80211_registered_device *rdev,
* and thus fail the GO instantiation, consider only the interfaces of
* the current registered device.
*/
- list_for_each_entry(wdev_iter, &rdev->wdev_list, list) {
+ list_for_each_entry(wdev, &rdev->wdev_list, list) {
struct ieee80211_channel *other_chan = NULL;
int r1, r2;
- if (wdev_iter->iftype != NL80211_IFTYPE_STATION ||
- !netif_running(wdev_iter->netdev))
- continue;
-
- wdev_lock(wdev_iter);
- if (wdev_iter->current_bss)
- other_chan = wdev_iter->current_bss->pub.channel;
- wdev_unlock(wdev_iter);
+ wdev_lock(wdev);
+ if (wdev->iftype == NL80211_IFTYPE_STATION &&
+ wdev->current_bss)
+ other_chan = wdev->current_bss->pub.channel;
+
+ /*
+ * If a GO already operates on the same GO_CONCURRENT channel,
+ * this one (maybe the same one) can beacon as well. We allow
+ * the operation even if the station we relied on with
+ * GO_CONCURRENT is disconnected now. But then we must make sure
+ * we're not outdoor on an indoor-only channel.
+ */
+ if (wdev->iftype == NL80211_IFTYPE_P2P_GO &&
+ wdev->beacon_interval &&
+ !(chan->flags & IEEE80211_CHAN_INDOOR_ONLY))
+ other_chan = wdev->chandef.chan;
+ wdev_unlock(wdev);
if (!other_chan)
continue;