rndis_wlan: release BSS structures returned by cfg80211_inform_bss()

Patch fixes rndis_wlan to release referenced BSS structure returned by
cfg80211_inform_bss().

Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 10 insertions, 4 deletions

diff --git a/drivers/net/wireless/rndis_wlan.c b/drivers/net/wireless/rndis_wlan.c
index 83f3e5282aea..620e3c0e88e0 100644
--- a/drivers/net/wireless/rndis_wlan.c
+++ b/drivers/net/wireless/rndis_wlan.c
@@ -1976,11 +1976,12 @@ static int rndis_scan(struct wiphy *wiphy, struct net_device *dev,
         return ret;
 }
 
-static struct cfg80211_bss *rndis_bss_info_update(struct usbnet *usbdev,
-                                        struct ndis_80211_bssid_ex *bssid)
+static bool rndis_bss_info_update(struct usbnet *usbdev,
+                                  struct ndis_80211_bssid_ex *bssid)
 {
         struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
         struct ieee80211_channel *channel;
+        struct cfg80211_bss *bss;
         s32 signal;
         u64 timestamp;
         u16 capability;
@@ -2019,9 +2020,12 @@ static struct cfg80211_bss *rndis_bss_info_update(struct usbnet *usbdev,
         capability = le16_to_cpu(fixed->capabilities);
         beacon_interval = le16_to_cpu(fixed->beacon_interval);
 
-        return cfg80211_inform_bss(priv->wdev.wiphy, channel, bssid->mac,
+        bss = cfg80211_inform_bss(priv->wdev.wiphy, channel, bssid->mac,
                 timestamp, capability, beacon_interval, ie, ie_len, signal,
                 GFP_KERNEL);
+        cfg80211_put_bss(bss);
+
+        return (bss != NULL);
 }
 
 static struct ndis_80211_bssid_ex *next_bssid_list_item(
@@ -2648,6 +2652,7 @@ static void rndis_wlan_craft_connected_bss(struct usbnet *usbdev, u8 *bssid,
         struct ieee80211_channel *channel;
         struct ndis_80211_conf config;
         struct ndis_80211_ssid ssid;
+        struct cfg80211_bss *bss;
         s32 signal;
         u64 timestamp;
         u16 capability;
@@ -2721,9 +2726,10 @@ static void rndis_wlan_craft_connected_bss(struct usbnet *usbdev, u8 *bssid,
                 bssid, (u32)timestamp, capability, beacon_interval, ie_len,
                 ssid.essid, signal);
 
-        cfg80211_inform_bss(priv->wdev.wiphy, channel, bssid,
+        bss = cfg80211_inform_bss(priv->wdev.wiphy, channel, bssid,
                 timestamp, capability, beacon_interval, ie_buf, ie_len,
                 signal, GFP_KERNEL);
+        cfg80211_put_bss(bss);
 }
 
 /*