linux-kernel - [PATCH 5.10 190/199] net: systemport: free dev before on error path

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Message-Id: <20210125183224.194503367@linuxfoundation.org>
Date:   Mon, 25 Jan 2021 19:40:12 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Pan Bian <bianpan2016@....com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Jakub Kicinski <kuba@...nel.org>
Subject: [PATCH 5.10 190/199] net: systemport: free dev before on error path

From: Pan Bian <bianpan2016@....com>

commit 0c630a66bf10991b0ef13d27c93d7545e692ef5b upstream.

On the error path, it should goto the error handling label to free
allocated memory rather than directly return.

Fixes: 31bc72d97656 ("net: systemport: fetch and use clock resources")
Signed-off-by: Pan Bian <bianpan2016@....com>
Acked-by: Florian Fainelli <f.fainelli@...il.com>
Link: https://lore.kernel.org/r/20210120044423.1704-1-bianpan2016@163.com
Signed-off-by: Jakub Kicinski <kuba@...nel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/net/ethernet/broadcom/bcmsysport.c |    6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

--- a/drivers/net/ethernet/broadcom/bcmsysport.c
+++ b/drivers/net/ethernet/broadcom/bcmsysport.c
@@ -2503,8 +2503,10 @@ static int bcm_sysport_probe(struct plat
 	priv = netdev_priv(dev);
 
 	priv->clk = devm_clk_get_optional(&pdev->dev, "sw_sysport");
-	if (IS_ERR(priv->clk))
-		return PTR_ERR(priv->clk);
+	if (IS_ERR(priv->clk)) {
+		ret = PTR_ERR(priv->clk);
+		goto err_free_netdev;
+	}
 
 	/* Allocate number of TX rings */
 	priv->tx_rings = devm_kcalloc(&pdev->dev, txq,