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| author | Joerg Roedel <jroedel@suse.de> | 2020-02-17 17:29:55 +0100 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2020-02-18 17:21:51 +0100 |
| commit | 1ddb32da4a629fa7f87873d0b6836c2e1feb7518 (patch) | |
| tree | 3a720b64a4b76fcc93b00c75e861b314cd216dd8 | |
| parent | 96d170f3b1a607612caf3618c534d5c64fc2d61b (diff) | |
| download | linux-stable-1ddb32da4a629fa7f87873d0b6836c2e1feb7518.tar.gz linux-stable-1ddb32da4a629fa7f87873d0b6836c2e1feb7518.tar.bz2 linux-stable-1ddb32da4a629fa7f87873d0b6836c2e1feb7518.zip | |
iommu/vt-d: Simplify check in identity_mapping()
The function only has one call-site and there it is never called with
dummy or deferred devices. Simplify the check in the function to
account for that.
Fixes: 1ee0186b9a12 ("iommu/vt-d: Refactor find_domain() helper")
Cc: stable@vger.kernel.org # v5.5
Reviewed-by: Jerry Snitselaar <jsnitsel@redhat.com>
Acked-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
| -rw-r--r-- | drivers/iommu/intel-iommu.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index 69f1c6b8dfcf..6fa6de2b6ad5 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -2916,7 +2916,7 @@ static int identity_mapping(struct device *dev) struct device_domain_info *info; info = dev->archdata.iommu; - if (info && info != DUMMY_DEVICE_DOMAIN_INFO && info != DEFER_DEVICE_DOMAIN_INFO) + if (info) return (info->domain == si_domain); return 0; |