net: stmmac: dwmac-meson8b: Fix an error handling path in 'meson8b_dw…

…mac_probe()'

If 'of_device_get_match_data()' fails, we need to release some resources as
done in the other error handling path of this function.

Fixes: efacb56 ("net: stmmac: dwmac-meson: extend phy mode setting")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/stmicro/stmmac/dwmac-meson8b.c

@@ -334,9 +334,10 @@ static int meson8b_dwmac_probe(struct platform_device *pdev)
 
  dwmac->data = (const struct meson8b_dwmac_data *)
  of_device_get_match_data(&pdev->dev);
- if (!dwmac->data)
- return -EINVAL;
-
+ if (!dwmac->data) {
+ ret = -EINVAL;
+ goto err_remove_config_dt;
+ }
  res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
  dwmac->regs = devm_ioremap_resource(&pdev->dev, res);
  if (IS_ERR(dwmac->regs)) {