[PATCH net-next] net: bcmgenet: fix error returns in bcmgenet_probe()

From: Zhang Changzhong
Date: Fri Jul 17 2020 - 04:19:56 EST


The driver forgets to call clk_disable_unprepare() in error path after
a success calling for clk_prepare_enable().

Fix to goto err_clk_disable if clk_prepare_enable() is successful.

Signed-off-by: Zhang Changzhong <zhangchangzhong@xxxxxxxxxx>
---
drivers/net/ethernet/broadcom/genet/bcmgenet.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
index ee84a26..23df6f2 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
@@ -4016,7 +4016,7 @@ static int bcmgenet_probe(struct platform_device *pdev)
if (err)
err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
if (err)
- goto err;
+ goto err_clk_disable;

/* Mii wait queue */
init_waitqueue_head(&priv->wq);
@@ -4028,14 +4028,14 @@ static int bcmgenet_probe(struct platform_device *pdev)
if (IS_ERR(priv->clk_wol)) {
dev_dbg(&priv->pdev->dev, "failed to get enet-wol clock\n");
err = PTR_ERR(priv->clk_wol);
- goto err;
+ goto err_clk_disable;
}

priv->clk_eee = devm_clk_get_optional(&priv->pdev->dev, "enet-eee");
if (IS_ERR(priv->clk_eee)) {
dev_dbg(&priv->pdev->dev, "failed to get enet-eee clock\n");
err = PTR_ERR(priv->clk_eee);
- goto err;
+ goto err_clk_disable;
}

/* If this is an internal GPHY, power it on now, before UniMAC is
--
1.8.3.1