[PATCH] rocker: Fix memory leak in ofdpa_port_fdb()

[Ziran Zhang]

In ofdpa_port_fdb(), the hash_del() only unlinks the node from
hash table, but does not free it.

Fix this by adding kfree(found) after the !found == removing check,
where the pointer value is no longer needed.

Found by Coccinelle kfree script.

Signed-off-by: Ziran Zhang <zhangcoder@xxxxxxxx>
---
 drivers/net/ethernet/rocker/rocker_ofdpa.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/ethernet/rocker/rocker_ofdpa.c b/drivers/net/ethernet/rocker/rocker_ofdpa.c
index 66a8ae67c..15d19a8a1 100644
--- a/drivers/net/ethernet/rocker/rocker_ofdpa.c
+++ b/drivers/net/ethernet/rocker/rocker_ofdpa.c
@@ -1924,6 +1924,9 @@ static int ofdpa_port_fdb(struct ofdpa_port *ofdpa_port,
 		flags |= OFDPA_OP_FLAG_REFRESH;
 	}
 
+	if (found && removing)
+		kfree(found);
+
 	return ofdpa_port_fdb_learn(ofdpa_port, flags, addr, vlan_id);
 }
 
-- 
2.43.0