This is a note to let you know that I've just added the patch titled stmmac: dwmac-loongson:Fix missing return value to the 5.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: stmmac-dwmac-loongson-fix-missing-return-value.patch and it can be found in the queue-5.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit cdca6863ea0e6758ef93f060369670719ec499ca Author: zhaoxiao <long870912@xxxxxxxxx> Date: Mon Sep 6 15:21:07 2021 +0800 stmmac: dwmac-loongson:Fix missing return value [ Upstream commit 5289de5929d1758a95477a4d160195397ccffa7b ] Add the return value when phy_mode < 0. Signed-off-by: zhaoxiao <long870912@xxxxxxxxx> Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c index 4c9a37dd0d3f..ecf759ee1c9f 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;