[xen staging-4.11] VT-d/dmar: iommu mem leak fix

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[xen staging-4.11] VT-d/dmar: iommu mem leak fix

patchbot
commit 03fd74515401f74d3a749bed78feee4f14fb1f4d
Author:     Zhenzhong Duan <[hidden email]>
AuthorDate: Fri Sep 14 13:05:13 2018 +0200
Commit:     Jan Beulich <[hidden email]>
CommitDate: Fri Sep 14 13:05:13 2018 +0200

    VT-d/dmar: iommu mem leak fix
   
    Release memory allocated for drhd iommu in error path.
   
    Signed-off-by: Zhenzhong Duan <[hidden email]>
    Acked-by: Kevin Tian <[hidden email]>
    master commit: fd07b6648c4c8891dca5bd0f7ef174b6831f80b2
    master date: 2018-08-27 11:37:24 +0200
---
 xen/drivers/passthrough/vtd/dmar.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/xen/drivers/passthrough/vtd/dmar.c b/xen/drivers/passthrough/vtd/dmar.c
index 46decd4eb1..81afa5498e 100644
--- a/xen/drivers/passthrough/vtd/dmar.c
+++ b/xen/drivers/passthrough/vtd/dmar.c
@@ -100,6 +100,7 @@ static void __init disable_all_dmar_units(void)
     {
         list_del(&drhd->list);
         scope_devices_free(&drhd->scope);
+        iommu_free(drhd);
         xfree(drhd);
     }
     list_for_each_entry_safe ( rmrr, _rmrr, &acpi_rmrr_units, list )
--
generated by git-patchbot for /home/xen/git/xen.git#staging-4.11

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