From 5552ecdbf9fb4f7608c1d7933a8baafcfa1bb337 Mon Sep 17 00:00:00 2001
From: Will Deacon <will.deacon@arm.com>
Date: Fri, 8 Nov 2013 15:08:06 +0000
Subject: [PATCH] iommu/arm-smmu: remove potential NULL dereference on mapping
 path

When handling mapping requests, we dereference the SMMU domain before
checking that it is NULL. This patch fixes the issue by removing the check
altogether, since we don't actually use the leaf_smmu when creating
mappings.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
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