github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-09-22 20:54:03 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

net: ethernet: sun4i-emac: Fix IRQ error handling

Browse Source 
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: 492205050d ("net: Add EMAC ethernet driver found on Allwinner A10 SoC's")
Signed-off-by: bui duc phuc <phucduc.bui@gmail.com>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Link: https://patch.msgid.link/20260824100901.31675-1-phucduc.bui@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit is contained in:
bui duc phuc 2026-08-24 17:09:01 +07:00 committed by Paolo Abeni
parent f967455fb2
commit 991c2be782
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/net/ethernet/allwinner/sun4i-emac.c
View File

@ -996,9 +996,9 @@ 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;
}