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Commit 45bfd0a9 authored by Jiasheng Jiang's avatar Jiasheng Jiang Committed by Greg Kroah-Hartman
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net: ethernet: lpc_eth: Handle error for clk_enable 



[ Upstream commit 2169b79258c8be803d2595d6456b1e77129fe154 ]

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

Fixes: b7370112 ("lpc32xx: Added ethernet driver")
Signed-off-by: default avatarJiasheng Jiang <jiasheng@iscas.ac.cn>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent e84d37af

drivers/net/ethernet/nxp/lpc_eth.c

+4 −1
Original line number Diff line number Diff line
@@ -1470,6 +1470,7 @@ 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);
@@ -1479,7 +1480,9 @@ 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);