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* [PATCH net] net: ag71xx: check error for platform_get_irq
@ 2026-05-15  0:59 Rosen Penev
  2026-05-15  7:21 ` Markus Elfring
  0 siblings, 1 reply; 2+ messages in thread
From: Rosen Penev @ 2026-05-15  0:59 UTC (permalink / raw)
  To: netdev
  Cc: Chris Snook, Andrew Lunn, David S. Miller, Eric Dumazet,
	Jakub Kicinski, Paolo Abeni, Oleksij Rempel, open list

Exit probe if the proper IRQ cannot be found.

Fixes: d51b6ce441d3 ("net: ethernet: add ag71xx driver")
Signed-off-by: Rosen Penev <rosenp@gmail.com>
---
 drivers/net/ethernet/atheros/ag71xx.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/ethernet/atheros/ag71xx.c b/drivers/net/ethernet/atheros/ag71xx.c
index a5ab99474179..4e4794c4dfdc 100644
--- a/drivers/net/ethernet/atheros/ag71xx.c
+++ b/drivers/net/ethernet/atheros/ag71xx.c
@@ -1856,6 +1856,9 @@ static int ag71xx_probe(struct platform_device *pdev)
 	ag71xx_int_disable(ag, AG71XX_INT_POLL);
 
 	ndev->irq = platform_get_irq(pdev, 0);
+	if (ndev->irq < 0)
+		return ndev->irq;
+
 	err = devm_request_irq(&pdev->dev, ndev->irq, ag71xx_interrupt,
 			       0x0, dev_name(&pdev->dev), ndev);
 	if (err) {
-- 
2.54.0


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH net] net: ag71xx: check error for platform_get_irq
  2026-05-15  0:59 [PATCH net] net: ag71xx: check error for platform_get_irq Rosen Penev
@ 2026-05-15  7:21 ` Markus Elfring
  0 siblings, 0 replies; 2+ messages in thread
From: Markus Elfring @ 2026-05-15  7:21 UTC (permalink / raw)
  To: Rosen Penev, netdev
  Cc: LKML, Andrew Lunn, Chris Snook, David S. Miller, Eric Dumazet,
	Jakub Kicinski, Oleksij Rempel, Paolo Abeni

> Exit probe if the proper IRQ cannot be found.

Would a summary phrase like “Complete error handling for a failed platform_get_irq() call”
be nicer?

Regards,
Markus

^ permalink raw reply	[flat|nested] 2+ messages in thread

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2026-05-15  0:59 [PATCH net] net: ag71xx: check error for platform_get_irq Rosen Penev
2026-05-15  7:21 ` Markus Elfring

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