[Xen-devel] [PATCH v2 1/2] dmar: iommu mem leak fix

[Zhenzhong Duan <zhenzhong.duan@xxxxxxxxxx>]

Release memory allocated for drhd iommu in error path.

-v2: fixup wrong parameter hiden due to my removing -Werror

Signed-off-by: Zhenzhong Duan <zhenzhong.duan@xxxxxxxxxx>
---
 xen/drivers/passthrough/vtd/dmar.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/xen/drivers/passthrough/vtd/dmar.c 
b/xen/drivers/passthrough/vtd/dmar.c
index 46decd4..8c5fa80 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 )
-- 
1.7.3

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