[PATCH 3.16 052/306] iommu/amd: Free domain id when free a domain of struct dma_ops_domain

Ben Hutchings
2017-02-15T23:44:53Z

From: Baoquan He <bhe@redhat.com>

commit c3db901c54466a9c135d1e6e95fec452e8a42666 upstream.

The current code missed freeing domain id when free a domain of
struct dma_ops_domain.

Signed-off-by: Baoquan He <bhe@redhat.com>
Fixes: ec487d1a110a ('x86, AMD IOMMU: add domain allocation and deallocation functions')
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---
drivers/iommu/amd_iommu.c | 3 +++
1 file changed, 3 insertions(+)

--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -2037,6 +2037,9 @@ static void dma_ops_domain_free(struct d
kfree(dom->aperture[i]);
}

+ if (dom->domain.id)
+ domain_id_free(dom->domain.id);
+
kfree(dom);
}