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-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c
index 0f660af01a4b..195669f550f0 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c
@@ -1147,7 +1147,10 @@ static int sun8i_dwmac_probe(struct platform_device *pdev)
return ret;
}
- plat_dat->interface = of_get_phy_mode(dev->of_node);
+ ret = of_get_phy_mode(dev->of_node);
+ if (ret < 0)
+ return -EINVAL;
+ plat_dat->interface = ret;
/* platform data specifying hardware features and callbacks.
* hardware features were copied from Allwinner drivers.