net: hisilicon: hip04: fix OF node leak in probe()

[ Upstream commit 1755529 ]

Driver is leaking OF node reference from
of_parse_phandle_with_fixed_args() in probe().

Signed-off-by: Krzysztof Kozlowski <[email protected]>
Reviewed-by: Simon Horman <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>

Author: krzk

drivers/net/ethernet/hisilicon/hip04_eth.c

@@ -947,6 +947,7 @@ static int hip04_mac_probe(struct platform_device *pdev)
 	priv->tx_coalesce_timer.function = tx_done;
 
 	priv->map = syscon_node_to_regmap(arg.np);
+	of_node_put(arg.np);
 	if (IS_ERR(priv->map)) {
 		dev_warn(d, "no syscon hisilicon,hip04-ppe\n");
 		ret = PTR_ERR(priv->map);