diff options
| author | Ingo Molnar <mingo@elte.hu> | 2011-02-14 13:18:51 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-02-14 13:18:56 +0100 |
| commit | 91e04ec05838a5b2c790decf2a91af98cb1666e8 (patch) | |
| tree | ea7373bdfab118ab6312ed3fa1fc0694ccfb38db /drivers/rtc/interface.c | |
| parent | 792363d2beceb1c7d865e517fa9939c8b8c1442a (diff) | |
| parent | 100b33c8bd8a3235fd0b7948338d6cbb3db3c63d (diff) | |
Merge commit 'v2.6.38-rc4' into x86/cpu
Merge reason: pick up the latest fixes.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/rtc/interface.c')
| -rw-r--r-- | drivers/rtc/interface.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c index 925006d33109..a0c01967244d 100644 --- 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; |