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authorWei Yongjun <weiyongjun1@huawei.com>2019-01-23 09:19:18 +0300
committerDavid S. Miller <davem@davemloft.net>2019-01-25 09:13:03 +0300
commit8f4ebaaa8d97dc531a3f947a8d30a5a70fe38743 (patch)
tree2fb630b9dd5bacfc2011d19efbdbe2e2df670933 /drivers
parent843ef94e3374b8c2afdff3a68270d4b09964e165 (diff)
downloadlinux-8f4ebaaa8d97dc531a3f947a8d30a5a70fe38743.tar.xz
net: stmmac: Fix return value check in qcom_ethqos_probe()
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c
index 30724bd330f4..7ec895407d23 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c
@@ -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;
}