linux-kernel - [PATCH] net: sparx5: Add of_node

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Message-Id: <20211018013138.2956-1-wanjiabing@vivo.com>
Date:   Sun, 17 Oct 2021 21:31:30 -0400
From:   Wan Jiabing <wanjiabing@...o.com>
To:     "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Lars Povlsen <lars.povlsen@...rochip.com>,
        Steen Hegelund <Steen.Hegelund@...rochip.com>,
        UNGLinuxDriver@...rochip.com,
        Bjarni Jonasson <bjarni.jonasson@...rochip.com>,
        Yang Yingliang <yangyingliang@...wei.com>,
        Yang Li <yang.lee@...ux.alibaba.com>,
        Wan Jiabing <wanjiabing@...o.com>,
        Nathan Chancellor <nathan@...nel.org>, netdev@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     kael_w@...h.net
Subject: [PATCH] net: sparx5: Add of_node_put() before goto

Fix following coccicheck warning:
./drivers/net/ethernet/microchip/sparx5/s4parx5_main.c:723:1-33: WARNING: Function
for_each_available_child_of_node should have of_node_put() before goto

Early exits from for_each_available_child_of_node should decrement the
node reference counter.

Signed-off-by: Wan Jiabing <wanjiabing@...o.com>
---
 drivers/net/ethernet/microchip/sparx5/sparx5_main.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/microchip/sparx5/sparx5_main.c b/drivers/net/ethernet/microchip/sparx5/sparx5_main.c
index c6eb0b70dd3f..4625d4fb4cde 100644
--- a/drivers/net/ethernet/microchip/sparx5/sparx5_main.c
+++ b/drivers/net/ethernet/microchip/sparx5/sparx5_main.c
@@ -757,6 +757,7 @@ static int mchp_sparx5_probe(struct platform_device *pdev)
 			err = dev_err_probe(sparx5->dev, PTR_ERR(serdes),
 					    "port %u: missing serdes\n",
 					    portno);
+			of_node_put(portnp);
 			goto cleanup_config;
 		}
 		config->portno = portno;
-- 
2.20.1