IB/sa_query: Fix AH leak due to update_sm_ah() race

[pandora-kernel.git] / drivers / infiniband / core / sa_query.c

diff --git a/drivers/infiniband/core/sa_query.c b/drivers/infiniband/core/sa_query.c
index 7863a50..1865049 100644 (file)
--- a/drivers/infiniband/core/sa_query.c
+++ b/drivers/infiniband/core/sa_query.c
@@ -395,6 +395,8 @@ static void update_sm_ah(struct work_struct *work)
        }
 
        spin_lock_irq(&port->ah_lock);
+       if (port->sm_ah)
+               kref_put(&port->sm_ah->ref, free_sm_ah);
        port->sm_ah = new_ah;
        spin_unlock_irq(&port->ah_lock);