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-rw-r--r--net/wireless/core.c24
1 files changed, 15 insertions, 9 deletions
diff --git a/net/wireless/core.c b/net/wireless/core.c
index f9fee65dc06..1e189306560 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -34,9 +34,7 @@ MODULE_DESCRIPTION("wireless configuration support");
LIST_HEAD(cfg80211_rdev_list);
/*
- * This is used to protect the cfg80211_rdev_list, cfg80211_regdomain,
- * country_ie_regdomain, the reg_beacon_list and the the last regulatory
- * request receipt (last_request).
+ * This is used to protect the cfg80211_rdev_list
*/
DEFINE_MUTEX(cfg80211_mutex);
@@ -314,7 +312,8 @@ static void cfg80211_process_events(struct wireless_dev *wdev)
ev->cr.req_ie, ev->cr.req_ie_len,
ev->cr.resp_ie, ev->cr.resp_ie_len,
ev->cr.status,
- ev->cr.status == WLAN_STATUS_SUCCESS);
+ ev->cr.status == WLAN_STATUS_SUCCESS,
+ NULL);
break;
case EVENT_ROAMED:
__cfg80211_roamed(wdev, ev->rm.bssid,
@@ -672,7 +671,7 @@ static int cfg80211_netdev_notifier_call(struct notifier_block * nb,
wdev->wext.default_mgmt_key = -1;
wdev->wext.connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
wdev->wext.ps = CONFIG_CFG80211_DEFAULT_PS_VALUE;
- wdev->wext.ps_timeout = 500;
+ wdev->wext.ps_timeout = 100;
if (rdev->ops->set_power_mgmt)
if (rdev->ops->set_power_mgmt(wdev->wiphy, dev,
wdev->wext.ps,
@@ -724,15 +723,22 @@ static int cfg80211_netdev_notifier_call(struct notifier_block * nb,
break;
case NETDEV_UNREGISTER:
mutex_lock(&rdev->devlist_mtx);
+ /*
+ * It is possible to get NETDEV_UNREGISTER
+ * multiple times. To detect that, check
+ * that the interface is still on the list
+ * of registered interfaces, and only then
+ * remove and clean it up.
+ */
if (!list_empty(&wdev->list)) {
sysfs_remove_link(&dev->dev.kobj, "phy80211");
list_del_init(&wdev->list);
- }
- mutex_unlock(&rdev->devlist_mtx);
- mutex_destroy(&wdev->mtx);
+ mutex_destroy(&wdev->mtx);
#ifdef CONFIG_WIRELESS_EXT
- kfree(wdev->wext.keys);
+ kfree(wdev->wext.keys);
#endif
+ }
+ mutex_unlock(&rdev->devlist_mtx);
break;
case NETDEV_PRE_UP:
if (!(wdev->wiphy->interface_modes & BIT(wdev->iftype)))