diff options
| -rw-r--r-- | drivers/char/lp.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/char/lp.c b/drivers/char/lp.c index 0913d79..c4094c4 100644 --- a/drivers/char/lp.c +++ b/drivers/char/lp.c @@ -587,6 +587,8 @@ static int lp_do_ioctl(unsigned int minor, unsigned int cmd, return -ENODEV; switch ( cmd ) { case LPTIME: + if (arg > UINT_MAX / HZ) + return -EINVAL; LP_TIME(minor) = arg * HZ/100; break; case LPCHAR: |
