linux-kernel - [PATCH 3/4] iommu/amd: Free domain id when free a domain of struct dma_ops

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Date:   Thu, 15 Sep 2016 16:50:52 +0800
From:   Baoquan He <bhe@...hat.com>
To:     joro@...tes.org
Cc:     iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org,
        dyoung@...hat.com, xlpang@...hat.com, Vincent.Wan@....com,
        Baoquan He <bhe@...hat.com>
Subject: [PATCH 3/4] iommu/amd: Free domain id when free a domain of struct dma_ops_domain

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

Signed-off-by: Baoquan He <bhe@...hat.com>
---
 drivers/iommu/amd_iommu.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index 160fc6a..a9f78c2 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -1655,6 +1655,9 @@ static void dma_ops_domain_free(struct dma_ops_domain *dom)
 
 	free_pagetable(&dom->domain);
 
+	if (dom->domain.id)
+		domain_id_free(dom->domain.id);
+
 	kfree(dom);
 }
 
-- 
2.5.5