diff options
Diffstat (limited to 'net/wireless/core.c')
| -rw-r--r-- | net/wireless/core.c | 56 |
1 files changed, 52 insertions, 4 deletions
diff --git a/net/wireless/core.c b/net/wireless/core.c index dcd64d5b07aa..3f7253052088 100644 --- a/net/wireless/core.c +++ b/net/wireless/core.c @@ -230,9 +230,24 @@ static int cfg80211_rfkill_set_block(void *data, bool blocked) rtnl_lock(); mutex_lock(&rdev->devlist_mtx); - list_for_each_entry(wdev, &rdev->wdev_list, list) - if (wdev->netdev) + list_for_each_entry(wdev, &rdev->wdev_list, list) { + if (wdev->netdev) { dev_close(wdev->netdev); + continue; + } + /* otherwise, check iftype */ + switch (wdev->iftype) { + case NL80211_IFTYPE_P2P_DEVICE: + if (!wdev->p2p_started) + break; + rdev->ops->stop_p2p_device(&rdev->wiphy, wdev); + wdev->p2p_started = false; + rdev->opencount--; + break; + default: + break; + } + } mutex_unlock(&rdev->devlist_mtx); rtnl_unlock(); @@ -407,6 +422,11 @@ static int wiphy_verify_combinations(struct wiphy *wiphy) if (WARN_ON(wiphy->software_iftypes & types)) return -EINVAL; + /* Only a single P2P_DEVICE can be allowed */ + if (WARN_ON(types & BIT(NL80211_IFTYPE_P2P_DEVICE) && + c->limits[j].max > 1)) + return -EINVAL; + cnt += c->limits[j].max; /* * Don't advertise an unsupported type @@ -506,8 +526,7 @@ int wiphy_register(struct wiphy *wiphy) for (i = 0; i < sband->n_channels; i++) { sband->channels[i].orig_flags = sband->channels[i].flags; - sband->channels[i].orig_mag = - sband->channels[i].max_antenna_gain; + sband->channels[i].orig_mag = INT_MAX; sband->channels[i].orig_mpwr = sband->channels[i].max_power; sband->channels[i].band = band; @@ -734,6 +753,35 @@ static void wdev_cleanup_work(struct work_struct *work) dev_put(wdev->netdev); } +void cfg80211_unregister_wdev(struct wireless_dev *wdev) +{ + struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); + + ASSERT_RTNL(); + + if (WARN_ON(wdev->netdev)) + return; + + mutex_lock(&rdev->devlist_mtx); + list_del_rcu(&wdev->list); + rdev->devlist_generation++; + + switch (wdev->iftype) { + case NL80211_IFTYPE_P2P_DEVICE: + if (!wdev->p2p_started) + break; + rdev->ops->stop_p2p_device(&rdev->wiphy, wdev); + wdev->p2p_started = false; + rdev->opencount--; + break; + default: + WARN_ON_ONCE(1); + break; + } + mutex_unlock(&rdev->devlist_mtx); +} +EXPORT_SYMBOL(cfg80211_unregister_wdev); + static struct device_type wiphy_type = { .name = "wlan", }; |