Thread (22 messages) 22 messages, 5 authors, 2017-12-05

[PATCH 06/10] net: ethernet: natsemi: Handle return value of platform_get_irq

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From: Arvind Yadav <hidden>
Date: 2017-12-02 19:26:56
Also in: linux-arm-kernel, lkml
Subsystem: networking drivers, the rest · Maintainers: Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds

platform_get_irq() can fail here and we must check its return value.

Signed-off-by: Arvind Yadav <redacted>
---
 drivers/net/ethernet/natsemi/jazzsonic.c | 5 +++++
 1 file changed, 5 insertions(+)
diff --git a/drivers/net/ethernet/natsemi/jazzsonic.c b/drivers/net/ethernet/natsemi/jazzsonic.c
index d5b2888..3cf0856 100644
--- a/drivers/net/ethernet/natsemi/jazzsonic.c
+++ b/drivers/net/ethernet/natsemi/jazzsonic.c
@@ -242,6 +242,11 @@ static int jazz_sonic_probe(struct platform_device *pdev)
 
 	dev->base_addr = res->start;
 	dev->irq = platform_get_irq(pdev, 0);
+	if (dev->irq <= 0) {
+		err = dev->irq ? dev->irq : -ENODEV;
+		goto out;
+	}
+
 	err = sonic_probe1(dev);
 	if (err)
 		goto out;
-- 
2.7.4
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