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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 13:20:26 +0100 |
| commit | 58b0bd9a4ae055ad4a77c620421ce3a971f943e0 (patch) | |
| tree | 99914d78a17ad2c762b8bccc3f67e78a41a869a9 | |
| parent | 62434a569629ec379b62a25eb70228628be44bf4 (diff) | |
| download | linux-stable-58b0bd9a4ae055ad4a77c620421ce3a971f943e0.tar.gz linux-stable-58b0bd9a4ae055ad4a77c620421ce3a971f943e0.tar.bz2 linux-stable-58b0bd9a4ae055ad4a77c620421ce3a971f943e0.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 415ac33341c5..27c22f0e9d25 100644 --- a/drivers/net/ethernet/nxp/lpc_eth.c +++ b/drivers/net/ethernet/nxp/lpc_eth.c @@ -1512,6 +1512,7 @@ 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); @@ -1521,7 +1522,9 @@ 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); |