If platform_get_irq() returns IRQ0 (considered invalid according to Linus)
the driver blithely passes it to usb_add_hcd() that treats IRQ0 as no IRQ
at all. Deny IRQ0 right away, returning -EINVAL from the probe() method...

Fixes: 489447380a29 ("[PATCH] handle errors returned by platform_get_irq*()")
Signed-off-by: Sergey Shtylyov <redacted>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
---
Changes in version 2:
- added Alan's ACK.

 drivers/usb/host/ohci-omap.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/usb/host/ohci-omap.c b/drivers/usb/host/ohci-omap.c
index ded9738392e4..6d5f964d0995 100644
--- a/drivers/usb/host/ohci-omap.c
+++ b/drivers/usb/host/ohci-omap.c

@@ -309,6 +309,10 @@ static int ohci_hcd_omap_probe(struct platform_device *pdev)
 		retval = -ENXIO;
 		goto err3;
 	}
+	if (!irq) {
+		retval = -EINVAL;
+		goto err3;
+	}
 	retval = usb_add_hcd(hcd, irq, 0);
 	if (retval)
 		goto err3;

-- 
2.26.3