Merge remote-tracking branch 'asoc/fix/arizona' into asoc-linus

[firefly-linux-kernel-4.4.55.git] / drivers / char / lp.c

diff --git a/drivers/char/lp.c b/drivers/char/lp.c
index 0913d79424d3a3e81930a4c138979a621de18605..c4094c4e22c11dda9647d3d472a18203f98f9649 100644 (file)
--- 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: