mac80211: fix memory leak

On error we jumped to the error label and returned the error code but we
missed releasing sinfo.

Fixes: 5fe74014172d ("mac80211: avoid excessive stack usage in sta_info")
Reviewed-by: Julian Calaby <julian.calaby@gmail.com>
Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index 5894c0a..87b7e7a 100644 (file)
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -562,6 +562,7 @@ static int sta_info_insert_finish(struct sta_info *sta) __acquires(RCU)
        __cleanup_single_sta(sta);
  out_err:
        mutex_unlock(&local->sta_mtx);
+       kfree(sinfo);
        rcu_read_lock();
        return err;
 }