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| author | Jiasheng Jiang <jiasheng@iscas.ac.cn> | 2022-03-08 14:57:39 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-03-16 14:26:44 +0100 |
| commit | 5d07fca06b2e80c4ee70966c3fd27db8d1bb2c68 (patch) | |
| tree | f47c072c156a4ec2f279544fa8b93009db90638a | |
| parent | af6d58401ccbb6d98966e001dff09de3ccbd9ec8 (diff) | |
| download | linux-stable-5d07fca06b2e80c4ee70966c3fd27db8d1bb2c68.tar.gz linux-stable-5d07fca06b2e80c4ee70966c3fd27db8d1bb2c68.tar.bz2 linux-stable-5d07fca06b2e80c4ee70966c3fd27db8d1bb2c68.zip | |
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: 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>
| -rw-r--r-- | drivers/net/ethernet/nxp/lpc_eth.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/net/ethernet/nxp/lpc_eth.c b/drivers/net/ethernet/nxp/lpc_eth.c index bc39558fe82b..756f97dce85b 100644 --- a/drivers/net/ethernet/nxp/lpc_eth.c +++ b/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); |