From: Jiasheng Jiang jiasheng@iscas.ac.cn
[ Upstream commit 2169b79258c8be803d2595d6456b1e77129fe154 ]
As the potential failure of the clk_enable(), it should be better to check it and return error if fails.
Fixes: b7370112f519 ("lpc32xx: Added ethernet driver") Signed-off-by: Jiasheng Jiang jiasheng@iscas.ac.cn Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/ethernet/nxp/lpc_eth.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/nxp/lpc_eth.c b/drivers/net/ethernet/nxp/lpc_eth.c index 3b177421651f..d2e220a94a57 100644 --- a/drivers/net/ethernet/nxp/lpc_eth.c +++ b/drivers/net/ethernet/nxp/lpc_eth.c @@ -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);