linux-kernel - [PATCH 3/4] fsl/fman: Add a missing 'of_node

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Message-Id: <410c7999411773529e5c020bc19c24ae8d78b91c.1510003551.git.christophe.jaillet@wanadoo.fr>
Date:   Mon,  6 Nov 2017 22:53:31 +0100
From:   Christophe JAILLET <christophe.jaillet@...adoo.fr>
To:     madalin.bucur@....com
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel-janitors@...r.kernel.org,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>
Subject: [PATCH 3/4] fsl/fman: Add a missing 'of_node_put()' call in an error handling path

If 'of_phy_find_device()' fails, we must undo the previous 'of_node_get()'
call, as done the the following error handling code.

Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
---
 drivers/net/ethernet/freescale/fman/mac.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/freescale/fman/mac.c b/drivers/net/ethernet/freescale/fman/mac.c
index ca12e28129ed..86c1e69f44d6 100644
--- a/drivers/net/ethernet/freescale/fman/mac.c
+++ b/drivers/net/ethernet/freescale/fman/mac.c
@@ -821,6 +821,7 @@ static int mac_probe(struct platform_device *_of_dev)
 		phy = of_phy_find_device(mac_dev->phy_node);
 		if (!phy) {
 			err = -EINVAL;
+			of_node_put(mac_dev->phy_node);
 			goto _return_of_get_parent;
 		}
 
-- 
2.14.1