[ARM] fix pxa930_trkball build errors

drivers/input/mouse/pxa930_trkball.c: In function `pxa930_trkball_probe':
drivers/input/mouse/pxa930_trkball.c:189: error: `ret' undeclared (first use in this function)
drivers/input/mouse/pxa930_trkball.c:230: error: `ret' undeclared (first use in this function)

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/input/mouse/pxa930_trkball.c b/drivers/input/mouse/pxa930_trkball.c
index a0f45c4fc19..d297accf9a7 100644
--- a/drivers/input/mouse/pxa930_trkball.c
+++ b/drivers/input/mouse/pxa930_trkball.c
@@ -186,7 +186,7 @@ static int __devinit pxa930_trkball_probe(struct platform_device *pdev)
         error = request_irq(irq, pxa930_trkball_interrupt, IRQF_DISABLED,
                             pdev->name, trkball);
         if (error) {
-                dev_err(&pdev->dev, "failed to request irq: %d\n", ret);
+                dev_err(&pdev->dev, "failed to request irq: %d\n", error);
                 goto failed_free_io;
         }
 
@@ -227,7 +227,7 @@ failed_free_io:
         iounmap(trkball->mmio_base);
 failed:
         kfree(trkball);
-        return ret;
+        return error;
 }
 
 static int __devexit pxa930_trkball_remove(struct platform_device *pdev)