Merge branch 'spi/merge' of git://git.secretlab.ca/git/linux-2.6

[pandora-kernel.git] / drivers / rtc / interface.c

diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c
index 925006d..a0c0196 100644 (file)
--- a/drivers/rtc/interface.c
+++ b/drivers/rtc/interface.c
@@ -464,6 +464,9 @@ int rtc_irq_set_freq(struct rtc_device *rtc, struct rtc_task *task, int freq)
        int err = 0;
        unsigned long flags;
 
+       if (freq <= 0)
+               return -EINVAL;
+
        spin_lock_irqsave(&rtc->irq_task_lock, flags);
        if (rtc->irq_task != NULL && task == NULL)
                err = -EBUSY;