From: Pan Bian <bianpan2016@163.com>
Date: Wed, 20 Jan 2021 12:20:37 +0000 (-0800)
Subject: net: fec: put child node on error path
X-Git-Tag: rel_imx_5.10.35_2.0.0-somdevices.0~363^2~1912
X-Git-Url: https://git.somdevices.com/?a=commitdiff_plain;h=d51f7ff5413bc18cb7936f21d19eed2829f28d6d;p=linux.git

net: fec: put child node on error path

commit 0607a2cddb60f4548b55e28ac56a8d73493a45bb upstream.

Also decrement the reference count of child device on error path.

Fixes: 3e782985cb3c ("net: ethernet: fec: Allow configuration of MDIO bus speed")
Signed-off-by: Pan Bian <bianpan2016@163.com>
Link: https://lore.kernel.org/r/20210120122037.83897-1-bianpan2016@163.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index 04f24c66cf36..55c28fbc5f9e 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -2165,9 +2165,9 @@ static int fec_enet_mii_init(struct platform_device *pdev)
 	fep->mii_bus->parent = &pdev->dev;
 
 	err = of_mdiobus_register(fep->mii_bus, node);
-	of_node_put(node);
 	if (err)
 		goto err_out_free_mdiobus;
+	of_node_put(node);
 
 	mii_cnt++;
 
@@ -2180,6 +2180,7 @@ static int fec_enet_mii_init(struct platform_device *pdev)
 err_out_free_mdiobus:
 	mdiobus_free(fep->mii_bus);
 err_out:
+	of_node_put(node);
 	return err;
 }