From cddb13de3968493647e4ae5c52311a596a93aa29 Mon Sep 17 00:00:00 2001
From: Sean Young <sean@mess.org>
Date: Sun, 8 Oct 2017 14:18:52 -0400
Subject: [PATCH] media: rc: check for integer overflow

commit 3e45067f94bbd61dec0619b1c32744eb0de480c8 upstream.

The ioctl LIRC_SET_REC_TIMEOUT would set a timeout of 704ns if called
with a timeout of 4294968us.

Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
[bwh: Backported to 3.2: open-code U32_MAX]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---
Reading git-format-patch failed