net: ethernet: lpc_eth: Handle error for clk_enable

As the potential failure of the clk_enable(),
it should be better to check it and return error
if fails.

Fixes: b737011 ("lpc32xx: Added ethernet driver")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/nxp/lpc_eth.c

@@ -1471,6 +1471,7 @@ static int lpc_eth_drv_resume(struct platform_device *pdev)
 {
  struct net_device *ndev = platform_get_drvdata(pdev);
  struct netdata_local *pldat;
+ int ret;
 
  if (device_may_wakeup(&pdev->dev))
  disable_irq_wake(ndev->irq);
@@ -1480,7 +1481,9 @@ static int lpc_eth_drv_resume(struct platform_device *pdev)
  pldat = netdev_priv(ndev);
 
  /* Enable interface clock */
- clk_enable(pldat->clk);
+ ret = clk_enable(pldat->clk);
+ if (ret)
+ return ret;
 
  /* Reset and initialize */
  __lpc_eth_reset(pldat);