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path: root/drivers/char/hpet.c
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Diffstat (limited to 'drivers/char/hpet.c')
-rw-r--r--drivers/char/hpet.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c
index c85d11de5fe..bc5ee99b9c2 100644
--- a/drivers/char/hpet.c
+++ b/drivers/char/hpet.c
@@ -494,8 +494,11 @@ hpet_ioctl_common(struct hpet_dev *devp, int cmd, unsigned long arg, int kernel)
{
struct hpet_info info;
- info.hi_ireqfreq = hpet_time_div(hpetp,
- devp->hd_ireqfreq);
+ if (devp->hd_ireqfreq)
+ info.hi_ireqfreq =
+ hpet_time_div(hpetp, devp->hd_ireqfreq);
+ else
+ info.hi_ireqfreq = 0;
info.hi_flags =
readq(&timer->hpet_config) & Tn_PER_INT_CAP_MASK;
info.hi_hpet = devp->hd_hpets->hp_which;