OMAP2/3: omap mailbox: platform_get_irq() error ignored

platform_get_irq may return -ENXIO. but struct omap_mbox mbox_dsp_info.irq
is unsigned, so the error was not noticed.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

diff --git a/arch/arm/mach-omap2/mailbox.c b/arch/arm/mach-omap2/mailbox.c
index fd5b8a5..6f71f37 100644 (file)
--- a/arch/arm/mach-omap2/mailbox.c
+++ b/arch/arm/mach-omap2/mailbox.c
@@ -282,12 +282,12 @@ static int __devinit omap2_mbox_probe(struct platform_device *pdev)
                return -ENOMEM;
 
        /* DSP or IVA2 IRQ */
-       mbox_dsp_info.irq = platform_get_irq(pdev, 0);
-       if (mbox_dsp_info.irq < 0) {
+       ret = platform_get_irq(pdev, 0);
+       if (ret < 0) {
                dev_err(&pdev->dev, "invalid irq resource\n");
-               ret = -ENODEV;
                goto err_dsp;
        }
+       mbox_dsp_info.irq = ret;
 
        ret = omap_mbox_register(&pdev->dev, &mbox_dsp_info);
        if (ret)