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media: rc: check for integer overflow
authorSean Young <sean@mess.org>
Sun, 8 Oct 2017 18:18:52 +0000 (14:18 -0400)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 30 Nov 2017 08:37:24 +0000 (08:37 +0000)
commitd758f4d8bf20e74f2afc6dfd0120d332d0fb9217
tree91c686d7db63fd97e09dacefcd657b13546ed42e
parent878c0f9a7c693b238b30a85f870e5334a66a3935
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/media/rc/ir-lirc-codec.c