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iommu/amd: Fix pages leak in free_pagetable()
author
Andrei Dulea
<adulea@amazon.de>
Fri, 13 Sep 2019 14:42:28 +0000
(16:42 +0200)
committer
Joerg Roedel
<jroedel@suse.de>
Tue, 24 Sep 2019 09:15:09 +0000
(11:15 +0200)
Take into account the gathered freelist in free_sub_pt(), otherwise we
end up leaking all that pages.
Fixes:
409afa44f9ba
("iommu/amd: Introduce free_sub_pt() function")
Signed-off-by: Andrei Dulea <adulea@amazon.de>
drivers/iommu/amd_iommu.c
patch
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diff --git
a/drivers/iommu/amd_iommu.c
b/drivers/iommu/amd_iommu.c
index
1ed3b98
..
1385474
100644
(file)
--- a/
drivers/iommu/amd_iommu.c
+++ b/
drivers/iommu/amd_iommu.c
@@
-1425,7
+1425,7
@@
static void free_pagetable(struct protection_domain *domain)
BUG_ON(domain->mode < PAGE_MODE_NONE ||
domain->mode > PAGE_MODE_6_LEVEL);
- free_sub_pt(root, domain->mode, freelist);
+ free
list = free
_sub_pt(root, domain->mode, freelist);
free_page_list(freelist);
}