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| author | Joerg Roedel <jroedel@suse.de> | 2016-07-06 12:50:35 +0200 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2016-07-13 12:48:35 +0200 |
| commit | f1eae7c58036b30d434d84a34c6c3154bfb5b496 (patch) | |
| tree | ae5ffa0e215c2119e31a7be70592f90f80cc35b1 | |
| parent | c5b5da9c79bb2d88fa3c5163ccf1a7a9e89cfa49 (diff) | |
| download | lwn-f1eae7c58036b30d434d84a34c6c3154bfb5b496.tar.gz lwn-f1eae7c58036b30d434d84a34c6c3154bfb5b496.zip | |
iommu/amd: Allow NULL pointer parameter for domain_flush_complete()
If domain == NULL is passed to the function, it will queue a
completion-wait command on all IOMMUs in the system.
Signed-off-by: Joerg Roedel <jroedel@suse.de>
| -rw-r--r-- | drivers/iommu/amd_iommu.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index 38f8a5e461fc..0884b126d932 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -1177,7 +1177,7 @@ static void domain_flush_complete(struct protection_domain *domain) int i; for (i = 0; i < amd_iommus_present; ++i) { - if (!domain->dev_iommu[i]) + if (domain && !domain->dev_iommu[i]) continue; /* |