1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/char/lp.c b/drivers/char/lp.c
index 0913d79424d3..c4094c4e22c1 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: