[PATCH v2 1/2] net: xilinx: axienet: Propagate errors from optional IRQ lookup
From: <hidden>
Date: 2026-08-13 04:20:45
Also in:
linux-arm-kernel, linux-arm-msm, lkml
Subsystem:
networking drivers, the rest, xilinx axi ethernet driver · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds, Radhey Shyam Pandey
From: bui duc phuc <redacted> platform_get_irq_optional() returns a positive IRQ number on success or a negative error code on failure. For an optional IRQ, -ENXIO indicates that no optional IRQ is available, while other errors should be propagated. Propagate all error codes returned by platform_get_irq_optional() other than -ENXIO. Another call to platform_get_irq_optional() in the same function already handles the return value this way. Apply the same error handling to this call site for consistency. Signed-off-by: bui duc phuc <redacted> --- drivers/net/ethernet/xilinx/xilinx_axienet_main.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
index fcf517069d16..d23e9796725d 100644
--- a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
+++ b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c@@ -2957,12 +2957,16 @@ static int axienet_probe(struct platform_device *pdev) lp->tx_irq = irq_of_parse_and_map(np, 0); of_node_put(np); lp->eth_irq = platform_get_irq_optional(pdev, 0); + if (lp->eth_irq < 0 && lp->eth_irq != -ENXIO) + return lp->eth_irq; } else { /* Check for these resources directly on the Ethernet node. */ lp->dma_regs = devm_platform_get_and_ioremap_resource(pdev, 1, NULL); lp->rx_irq = platform_get_irq(pdev, 1); lp->tx_irq = platform_get_irq(pdev, 0); lp->eth_irq = platform_get_irq_optional(pdev, 2); + if (lp->eth_irq < 0 && lp->eth_irq != -ENXIO) + return lp->eth_irq; } if (IS_ERR(lp->dma_regs)) { dev_err(&pdev->dev, "could not map DMA regs\n");
--
2.43.0