[patch 1/2] driver core: platform_get_irq*(): return -ENXIO on error

From: David Vrabel
Date: Thu Jan 19 2006 - 12:50:57 EST


platform_get_irq*() cannot return 0 on error as 0 is a valid IRQ on some
platforms, return -ENXIO instead.

Signed-off-by: David Vrabel <dvrabel@xxxxxxxxx>
--
David Vrabel, Design Engineer

Arcom, Clifton Road Tel: +44 (0)1223 411200 ext. 3233
Cambridge CB1 7EA, UK Web: http://www.arcom.com/
Index: linux-2.6-working/drivers/base/platform.c
===================================================================
--- linux-2.6-working.orig/drivers/base/platform.c 2006-01-05 16:49:23.000000000 +0000
+++ linux-2.6-working/drivers/base/platform.c 2006-01-05 17:10:18.000000000 +0000
@@ -59,7 +59,7 @@
{
struct resource *r = platform_get_resource(dev, IORESOURCE_IRQ, num);

- return r ? r->start : 0;
+ return r ? r->start : -ENXIO;
}

/**
@@ -94,7 +94,7 @@
{
struct resource *r = platform_get_resource_byname(dev, IORESOURCE_IRQ, name);

- return r ? r->start : 0;
+ return r ? r->start : -ENXIO;
}

/**