The following commit has been merged in the master branch: commit 3c56ec9576d5b25beb9870cf8cf7ee7a50ea94c9 Author: Sven Eckelmann sven@narfation.org Date: Wed May 4 21:14:58 2011 +0200
batman-adv: Fix rcu_lock imbalance in softif_neigh_get
Fix extra rcu_read_unlock after an failed softif_neigh_vid_get in softif_neigh_get introduced by 0281a6aab718965d7c0ef45c4ba22e305f6aefe7
Signed-off-by: Sven Eckelmann sven@narfation.org
diff --git a/soft-interface.c b/soft-interface.c index 1827734..8023c4e 100644 --- a/soft-interface.c +++ b/soft-interface.c @@ -175,12 +175,12 @@ static struct softif_neigh *softif_neigh_get(struct bat_priv *bat_priv, continue;
softif_neigh->last_seen = jiffies; - goto out; + goto unlock; }
softif_neigh = kzalloc(sizeof(struct softif_neigh), GFP_ATOMIC); if (!softif_neigh) - goto out; + goto unlock;
memcpy(softif_neigh->addr, addr, ETH_ALEN); softif_neigh->last_seen = jiffies; @@ -193,8 +193,9 @@ static struct softif_neigh *softif_neigh_get(struct bat_priv *bat_priv, &softif_neigh_vid->softif_neigh_list); spin_unlock_bh(&bat_priv->softif_neigh_lock);
-out: +unlock: rcu_read_unlock(); +out: if (softif_neigh_vid) softif_neigh_vid_free_ref(softif_neigh_vid); return softif_neigh;