ARM: am79c961a: platform_get_irq() may return signed unnoticed

dev->irq is unsigned, platform_get_irq() may return signed unnoticed

Signed-off-by: Roel Kluin <12o3l@tiscali.nl>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

1 files changed, 7 insertions, 3 deletions

diff --git a/drivers/net/arm/am79c961a.c b/drivers/net/arm/am79c961a.c
index ba6bd03a015f..a637910b02dd 100644
--- a/drivers/net/arm/am79c961a.c
+++ b/drivers/net/arm/am79c961a.c
@@ -693,11 +693,15 @@ static int __init am79c961_probe(struct platform_device *pdev)
          * done by the ether bootp loader.
          */
         dev->base_addr = res->start;
-        dev->irq = platform_get_irq(pdev, 0);
+        ret = platform_get_irq(pdev, 0);
 
-        ret = -ENODEV;
-        if (dev->irq < 0)
+        if (ret < 0) {
+                ret = -ENODEV;
                 goto nodev;
+        }
+        dev->irq = ret;
+
+        ret = -ENODEV;
         if (!request_region(dev->base_addr, 0x18, dev->name))
                 goto nodev;