From faea13b72dbdb77e4d6ad83344596486611708b0 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Wed, 21 Aug 2013 09:33:30 +0100
Subject: [PATCH] iommu/arm-smmu: fix a signedness bug

Unsigned char is never equal to -1.

Cc: <stable@vger.kernel.org>
Tested-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
---
Reading git-format-patch failed