[PATCH] handle errors returned by platform_get_irq*()

platform_get_irq*() now returns on -ENXIO when the resource cannot be
found.  Ensure all users of platform_get_irq*() handle this error
appropriately.

Signed-off-by: David Vrabel <dvrabel@arcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 7 insertions, 2 deletions

diff --git a/drivers/usb/host/ohci-omap.c b/drivers/usb/host/ohci-omap.c
index 3785b3f7df1b..ca19abe01c53 100644
--- a/drivers/usb/host/ohci-omap.c
+++ b/drivers/usb/host/ohci-omap.c
@@ -286,7 +286,7 @@ void usb_hcd_omap_remove (struct usb_hcd *, struct platform_device *);
 int usb_hcd_omap_probe (const struct hc_driver *driver,
                           struct platform_device *pdev)
 {
-        int retval;
+        int retval, irq;
         struct usb_hcd *hcd = 0;
         struct ohci_hcd *ohci;
 
@@ -329,7 +329,12 @@ int usb_hcd_omap_probe (const struct hc_driver *driver,
         if (retval < 0)
                 goto err2;
 
-        retval = usb_add_hcd(hcd, platform_get_irq(pdev, 0), SA_INTERRUPT);
+        irq = platform_get_irq(pdev, 0);
+        if (irq < 0) {
+                retval = -ENXIO;
+                goto err2;
+        }
+        retval = usb_add_hcd(hcd, irq, SA_INTERRUPT);
         if (retval == 0)
                 return retval;