rtc-sh: Unsigned rtc->{periodic,carry,alarm}_irq cannot be negative

possibly since commit b420b1a7a17ea88531d0e12b2f2679a0c8365803

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

diff --git a/drivers/rtc/rtc-sh.c b/drivers/rtc/rtc-sh.c
index 1f88e9e..690a780 100644 (file)
--- a/drivers/rtc/rtc-sh.c
+++ b/drivers/rtc/rtc-sh.c
@@ -575,7 +575,7 @@ static int __devinit sh_rtc_probe(struct platform_device *pdev)
        struct sh_rtc *rtc;
        struct resource *res;
        unsigned int tmp;
-       int ret = -ENOENT;
+       int ret;
 
        rtc = kzalloc(sizeof(struct sh_rtc), GFP_KERNEL);
        if (unlikely(!rtc))
@@ -584,26 +584,33 @@ static int __devinit sh_rtc_probe(struct platform_device *pdev)
        spin_lock_init(&rtc->lock);
 
        /* get periodic/carry/alarm irqs */
-       rtc->periodic_irq = platform_get_irq(pdev, 0);
-       if (unlikely(rtc->periodic_irq < 0)) {
+       ret = platform_get_irq(pdev, 0);
+       if (unlikely(ret < 0)) {
+               ret = -ENOENT;
                dev_err(&pdev->dev, "No IRQ for period\n");
                goto err_badres;
        }
+       rtc->periodic_irq = ret;
 
-       rtc->carry_irq = platform_get_irq(pdev, 1);
-       if (unlikely(rtc->carry_irq < 0)) {
+       ret = platform_get_irq(pdev, 1);
+       if (unlikely(ret < 0)) {
+               ret = -ENOENT;
                dev_err(&pdev->dev, "No IRQ for carry\n");
                goto err_badres;
        }
+       rtc->carry_irq = ret;
 
-       rtc->alarm_irq = platform_get_irq(pdev, 2);
-       if (unlikely(rtc->alarm_irq < 0)) {
+       ret = platform_get_irq(pdev, 2);
+       if (unlikely(ret < 0)) {
+               ret = -ENOENT;
                dev_err(&pdev->dev, "No IRQ for alarm\n");
                goto err_badres;
        }
+       rtc->alarm_irq = ret;
 
        res = platform_get_resource(pdev, IORESOURCE_IO, 0);
        if (unlikely(res == NULL)) {
+               ret = -ENOENT;
                dev_err(&pdev->dev, "No IO resource\n");
                goto err_badres;
        }