[PATCH] net: systemport: free dev before on error path

[Pan Bian]

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

Fixes: 6328a126896e ("net: systemport: Manage Wake-on-LAN clock")
Signed-off-by: Pan Bian <bianpan2...@163.com>
---
 drivers/net/ethernet/broadcom/bcmsysport.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/broadcom/bcmsysport.c 
b/drivers/net/ethernet/broadcom/bcmsysport.c
index b1ae9eb8f247..0404aafd5ce5 100644
--- a/drivers/net/ethernet/broadcom/bcmsysport.c
+++ b/drivers/net/ethernet/broadcom/bcmsysport.c
@@ -2503,8 +2503,10 @@ static int bcm_sysport_probe(struct platform_device 
*pdev)
        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,
-- 
2.17.1