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    Subject[PATCH AUTOSEL 4.4 12/13] iommu/vt-d: Use memunmap to free memremap
    Date
    From: Pan Bian <bianpan2016@163.com>

    [ Upstream commit 829383e183728dec7ed9150b949cd6de64127809 ]

    memunmap() should be used to free the return of memremap(), not
    iounmap().

    Fixes: dfddb969edf0 ('iommu/vt-d: Switch from ioremap_cache to memremap')
    Signed-off-by: Pan Bian <bianpan2016@163.com>
    Signed-off-by: Joerg Roedel <jroedel@suse.de>
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    drivers/iommu/intel-iommu.c | 2 +-
    1 file changed, 1 insertion(+), 1 deletion(-)

    diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
    index 49b266433f4c..7feaa82f8c7c 100644
    --- a/drivers/iommu/intel-iommu.c
    +++ b/drivers/iommu/intel-iommu.c
    @@ -2977,7 +2977,7 @@ static int copy_context_table(struct intel_iommu *iommu,
    }

    if (old_ce)
    - iounmap(old_ce);
    + memunmap(old_ce);

    ret = 0;
    if (devfn < 0x80)
    --
    2.17.1
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