mac80211: fix BSS leak

The IBSS code leaks a BSS struct after telling
cfg80211 about a given BSS by passing a frame.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 4 insertions, 2 deletions

diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
index ca8ecce31d34..f1362f32c17d 100644
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -73,6 +73,7 @@ static void __ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata,
         struct ieee80211_mgmt *mgmt;
         u8 *pos;
         struct ieee80211_supported_band *sband;
+        struct cfg80211_bss *bss;
         u32 bss_change;
         u8 supp_rates[IEEE80211_MAX_SUPP_RATES];
 
@@ -177,8 +178,9 @@ static void __ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata,
         mod_timer(&ifibss->timer,
                   round_jiffies(jiffies + IEEE80211_IBSS_MERGE_INTERVAL));
 
-        cfg80211_inform_bss_frame(local->hw.wiphy, local->hw.conf.channel,
-                                  mgmt, skb->len, 0, GFP_KERNEL);
+        bss = cfg80211_inform_bss_frame(local->hw.wiphy, local->hw.conf.channel,
+                                        mgmt, skb->len, 0, GFP_KERNEL);
+        cfg80211_put_bss(bss);
         cfg80211_ibss_joined(sdata->dev, ifibss->bssid, GFP_KERNEL);
 }