* [PATCH] VT-d: fix two map_domain_page() leaks
@ 2010-12-16 15:38 Jan Beulich
0 siblings, 0 replies; only message in thread
From: Jan Beulich @ 2010-12-16 15:38 UTC (permalink / raw)
To: xen-devel@lists.xensource.com; +Cc: ZhouPeng
[-- Attachment #1: Type: text/plain, Size: 655 bytes --]
Signed-off-by: Jan Beulich <jbeulich@novell.com>
Tested-by: ZhouPeng <zpengxen@gmail.com>
--- a/xen/drivers/passthrough/vtd/iommu.c
+++ b/xen/drivers/passthrough/vtd/iommu.c
@@ -1331,6 +1331,7 @@ int domain_context_mapping_one(
if ( context_set_domain_id(context, domain, iommu) )
{
spin_unlock(&iommu->lock);
+ unmap_vtd_domain_page(context_entries);
return -EFAULT;
}
@@ -1672,6 +1673,7 @@ static int intel_iommu_map_page(
if ( old.val == new.val )
{
spin_unlock(&hd->mapping_lock);
+ unmap_vtd_domain_page(page);
return 0;
}
*pte = new;
[-- Attachment #2: vtd-map-page-leak.patch --]
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Signed-off-by: Jan Beulich <jbeulich@novell.com>
Tested-by: ZhouPeng <zpengxen@gmail.com>
--- a/xen/drivers/passthrough/vtd/iommu.c
+++ b/xen/drivers/passthrough/vtd/iommu.c
@@ -1331,6 +1331,7 @@ int domain_context_mapping_one(
if ( context_set_domain_id(context, domain, iommu) )
{
spin_unlock(&iommu->lock);
+ unmap_vtd_domain_page(context_entries);
return -EFAULT;
}
@@ -1672,6 +1673,7 @@ static int intel_iommu_map_page(
if ( old.val == new.val )
{
spin_unlock(&hd->mapping_lock);
+ unmap_vtd_domain_page(page);
return 0;
}
*pte = new;
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2010-12-16 15:38 [PATCH] VT-d: fix two map_domain_page() leaks Jan Beulich
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