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iommu: Fix trace_map() to report original iova and original size

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iommu_map() calls trace_map() with iova and size. trace_map()
should report original iova and original size as opposed to
iova and size after they get changed during mapping. size is
always zero at the end of mapping which is useless to report
and iova as it gets incremented, it is not as useful as the
original iova. Change iommu_map() to call trace_map() to
report original iova and original size.

Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
Reported-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Shuah Khan 2015-01-15 19:29:43 -07:00 committed by Joerg Roedel
parent db8614d35b
commit 860cd64d10
1 changed files with 1 additions and 1 deletions
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2
drivers/iommu/iommu.c
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@ -1084,7 +1084,7 @@ int iommu_map(struct iommu_domain *domain, unsigned long iova,
if (ret)
iommu_unmap(domain, orig_iova, orig_size - size);
else
trace_map(iova, paddr, size);
trace_map(orig_iova, paddr, orig_size);
return ret;
}