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Subject[PATCH 5.10 466/717] net: bcmgenet: Fix a resource leak in an error handling path in the probe functin
Date
From: Christophe JAILLET <christophe.jaillet@wanadoo.fr>

[ Upstream commit 4375ada01963d1ebf733d60d1bb6e5db401e1ac6 ]

If the 'register_netdev()' call fails, we must undo a previous
'bcmgenet_mii_init()' call.

Fixes: 1c1008c793fa ("net: bcmgenet: add main driver file")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20201212182005.120437-1-christophe.jaillet@wanadoo.fr
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/net/ethernet/broadcom/genet/bcmgenet.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
index be85dad2e3bc4..fcca023f22e54 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
@@ -4069,8 +4069,10 @@ static int bcmgenet_probe(struct platform_device *pdev)
clk_disable_unprepare(priv->clk);

err = register_netdev(dev);
- if (err)
+ if (err) {
+ bcmgenet_mii_exit(dev);
goto err;
+ }

return err;

--
2.27.0


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