5.10-stable review patch. If anyone has any objections, please let me know. ------------------ From: bui duc phuc [ Upstream commit 991c2be78257cba5bf53cf935fe70f8836964288 ] irq_of_parse_and_map() returns 0 when parsing or mapping an IRQ fails. The current code checks for -ENXIO and therefore does not detect the failure. Check for a zero return value and convert it to -ENXIO. Fixes: 492205050d77 ("net: Add EMAC ethernet driver found on Allwinner A10 SoC's") Signed-off-by: bui duc phuc Reviewed-by: Andre Przywara Link: https://patch.msgid.link/20260824100901.31675-1-phucduc.bui@gmail.com Signed-off-by: Paolo Abeni Signed-off-by: Sasha Levin --- drivers/net/ethernet/allwinner/sun4i-emac.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/allwinner/sun4i-emac.c b/drivers/net/ethernet/allwinner/sun4i-emac.c index 5ed80d9a6b9fe..8ce1fb0a8d554 100644 --- a/drivers/net/ethernet/allwinner/sun4i-emac.c +++ b/drivers/net/ethernet/allwinner/sun4i-emac.c @@ -819,9 +819,9 @@ static int emac_probe(struct platform_device *pdev) /* fill in parameters for net-dev structure */ ndev->base_addr = (unsigned long)db->membase; ndev->irq = irq_of_parse_and_map(np, 0); - if (ndev->irq == -ENXIO) { + if (!ndev->irq) { netdev_err(ndev, "No irq resource\n"); - ret = ndev->irq; + ret = -ENXIO; goto out_iounmap; } -- 2.53.0