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-rw-r--r--drivers/infiniband/core/sa_query.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/infiniband/core/sa_query.c b/drivers/infiniband/core/sa_query.c
index 7863a50d56f2..1865049e80f7 100644
--- 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);