diff options
| author | Joerg Roedel <jroedel@suse.de> | 2016-07-07 15:57:04 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-08-20 18:09:21 +0200 |
| commit | 51e94ff8d90804ec1912fd71b2c7e22902a61585 (patch) | |
| tree | bdc9bbe106bd7b8280b0ea6d9123bd0fc11e9fcb /drivers/iommu/amd_iommu.c | |
| parent | 28a5f4cbb18b86ad40be5da53263bc1704dbdb6f (diff) | |
iommu/amd: Handle IOMMU_DOMAIN_DMA in ops->domain_free call-back
commit cda7005ba2cbd0744fea343dd5b2aa637eba5b9e upstream.
This domain type is not yet handled in the
iommu_ops->domain_free() call-back. Fix that.
Fixes: 0bb6e243d7fb ('iommu/amd: Support IOMMU_DOMAIN_DMA type allocation')
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/iommu/amd_iommu.c')
| -rw-r--r-- | drivers/iommu/amd_iommu.c | 25 |
1 files changed, 17 insertions, 8 deletions
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index b9319b76a8a1..a2d054f96fda 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -2970,9 +2970,7 @@ static struct iommu_domain *amd_iommu_domain_alloc(unsigned type) static void amd_iommu_domain_free(struct iommu_domain *dom) { struct protection_domain *domain; - - if (!dom) - return; + struct dma_ops_domain *dma_dom; domain = to_pdomain(dom); @@ -2981,13 +2979,24 @@ static void amd_iommu_domain_free(struct iommu_domain *dom) BUG_ON(domain->dev_cnt != 0); - if (domain->mode != PAGE_MODE_NONE) - free_pagetable(domain); + if (!dom) + return; - if (domain->flags & PD_IOMMUV2_MASK) - free_gcr3_table(domain); + switch (dom->type) { + case IOMMU_DOMAIN_DMA: + dma_dom = domain->priv; + dma_ops_domain_free(dma_dom); + break; + default: + if (domain->mode != PAGE_MODE_NONE) + free_pagetable(domain); - protection_domain_free(domain); + if (domain->flags & PD_IOMMUV2_MASK) + free_gcr3_table(domain); + + protection_domain_free(domain); + break; + } } static void amd_iommu_detach_device(struct iommu_domain *dom, |