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net: stmmac: Fix return value check in qcom_ethqos_probe()

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In case of error, the function devm_clk_get() returns ERR_PTR() and
never returns NULL. The NULL test in the return value check should be
replaced with IS_ERR().

Fixes: a7c30e62d4b8 ("net: stmmac: Add driver for Qualcomm ethqos")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Acked-by: Vinod Koul <vkoul@kernel.org>
Acked-by: Niklas Cassel <niklas.cassel@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Wei Yongjun 2019-01-23 06:19:18 +00:00 committed by David S. Miller
parent 843ef94e33
commit 8f4ebaaa8d
1 changed files with 2 additions and 2 deletions
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4
drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c
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@ -473,8 +473,8 @@ static int qcom_ethqos_probe(struct platform_device *pdev)
ethqos->por = of_device_get_match_data(&pdev->dev);
ethqos->rgmii_clk = devm_clk_get(&pdev->dev, "rgmii");
if (!ethqos->rgmii_clk) {
ret = -ENOMEM;
if (IS_ERR(ethqos->rgmii_clk)) {
ret = PTR_ERR(ethqos->rgmii_clk);
goto err_mem;
}