[Patch Part2 V1 04/14] iommu/vt-d: free resources if failed to create domain for PCIe endpoint

[Jiang Liu]

Enhance function get_domain_for_dev() to release allocated resources
if failed to create domain for PCIe endpoint, otherwise the allocated
resources will get lost.

Signed-off-by: Jiang Liu <jiang.liu@xxxxxxxxxxxxxxx>
---
 drivers/iommu/intel-iommu.c |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index da65884..2bbb877 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -2078,6 +2078,8 @@ found_domain:
 	if (dmar_insert_dev_info(segment, pdev->bus->number, pdev->devfn,
 				 pdev, &domain) == 0)
 		return domain;
+	else if (!bridge)
+		domain_exit(domain);
 error:
 	/* recheck it here, maybe others set it */
 	return find_domain(pdev);
-- 
1.7.10.4

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