From: Murali Karicheri <m-karicheri2@ti.com>
Date: Tue, 3 Mar 2015 17:52:14 +0000 (-0500)
Subject: arm: dma-mapping: limit IOMMU mapping size
X-Git-Tag: omap-for-v4.1/fixes-rc1~172^2~3^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=22b3c181c6c324a46f71aae806d8ddbe61d25761;p=pandora-kernel.git

arm: dma-mapping: limit IOMMU mapping size

arm_iommu_create_mapping() has size parameter of size_t and
arm_setup_iommu_dma_ops() can take a value higher than that
when this is called from the OF code.  So limit the size to
SIZE_MAX.

Tested-by: Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com> (AMD Seattle)
Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Will Deacon <will.deacon@arm.com>
CC: Joerg Roedel <joro@8bytes.org>
CC: Grant Likely <grant.likely@linaro.org>
CC: Rob Herring <robh+dt@kernel.org>
CC: Russell King <linux@arm.linux.org.uk>
CC: Arnd Bergmann <arnd@arndb.de>
---

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