From 54f62219145cb01e87b685449eeba6b04b584176 Mon Sep 17 00:00:00 2001 From: zhaoxiao Date: Mon, 6 Sep 2021 15:21:07 +0800 Subject: [PATCH] stmmac: dwmac-loongson:Fix missing return value [ Upstream commit 5289de5929d1758a95477a4d160195397ccffa7b ] Add the return value when phy_mode < 0. Signed-off-by: zhaoxiao Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c index 4c9a37dd0d3ff..ecf759ee1c9f5 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c @@ -109,8 +109,10 @@ static int loongson_dwmac_probe(struct pci_dev *pdev, const struct pci_device_id plat->bus_id = pci_dev_id(pdev); phy_mode = device_get_phy_mode(&pdev->dev); - if (phy_mode < 0) + if (phy_mode < 0) { dev_err(&pdev->dev, "phy_mode not found\n"); + return phy_mode; + } plat->phy_interface = phy_mode; plat->interface = PHY_INTERFACE_MODE_GMII;