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net: stmmac: dwmac-meson8b: Fix signedness bug in probe

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The "dwmac->phy_mode" is an enum and in this context GCC treats it as
an unsigned int so the error handling is never triggered.

Fixes: 566e825162 ("net: stmmac: add a glue driver for the Amlogic Meson 8b / GXBB DWMAC")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Dan Carpenter 2019-09-25 13:58:22 +03:00 committed by David S. Miller
parent 7f9e88e6ef
commit f10210517a
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/stmicro/stmmac/dwmac-meson8b.c
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@ -339,7 +339,7 @@ static int meson8b_dwmac_probe(struct platform_device *pdev)
dwmac->dev = &pdev->dev;
dwmac->phy_mode = of_get_phy_mode(pdev->dev.of_node);
if (dwmac->phy_mode < 0) {
if ((int)dwmac->phy_mode < 0) {
dev_err(&pdev->dev, "missing phy-mode property\n");
ret = -EINVAL;
goto err_remove_config_dt;