[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, 4 insertions, 0 deletions

diff --git a/drivers/net/smc91x.c b/drivers/net/smc91x.c
index 7ec08127c9d6..75e9b3b910cc 100644
--- a/drivers/net/smc91x.c
+++ b/drivers/net/smc91x.c
@@ -2221,6 +2221,10 @@ static int smc_drv_probe(struct platform_device *pdev)
 
         ndev->dma = (unsigned char)-1;
         ndev->irq = platform_get_irq(pdev, 0);
+        if (ndev->irq < 0) {
+                ret = -ENODEV;
+                goto out_free_netdev;
+        }
 
         ret = smc_request_attrib(pdev);
         if (ret)