diff options
Diffstat (limited to 'drivers/media/rc/ir-lirc-codec.c')
| -rw-r--r-- | drivers/media/rc/ir-lirc-codec.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/media/rc/ir-lirc-codec.c b/drivers/media/rc/ir-lirc-codec.c index efc21b1da211..ca107033e429 100644 --- a/drivers/media/rc/ir-lirc-codec.c +++ b/drivers/media/rc/ir-lirc-codec.c @@ -286,11 +286,14 @@ static long ir_lirc_ioctl(struct file *filep, unsigned int cmd, if (!dev->max_timeout) return -ENOSYS; + /* Check for multiply overflow */ + if (val > U32_MAX / 1000) + return -EINVAL; + tmp = val * 1000; - if (tmp < dev->min_timeout || - tmp > dev->max_timeout) - return -EINVAL; + if (tmp < dev->min_timeout || tmp > dev->max_timeout) + return -EINVAL; dev->timeout = tmp; break; |