commit 5289de5929d1758a95477a4d160195397ccffa7b
author zhaoxiao <long870912@gmail.com> Mon Sep 06 15:21:07 2021 +0800
committer David S. Miller <davem@davemloft.net> Mon Sep 06 12:52:52 2021 +0100
tree 2e288685ecb27bfdde6a119881cd7086a8af60d5
parent 48eab831ae8b9f7002a533fa4235eed63ea1f1a3

stmmac: dwmac-loongson:Fix missing return value

Add the return value when phy_mode < 0.

Signed-off-by: zhaoxiao <long870912@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c
index 4c9a37d..ecf759e 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c
@@ -109,8 +109,10 @@
 		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;