Messages in this thread Patch in this message | | | From | Joerg Roedel <> | Subject | [PATCH 12/20] iommu/amd: Allow NULL pointer parameter for domain_flush_complete() | Date | Fri, 8 Jul 2016 13:45:03 +0200 |
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From: Joerg Roedel <jroedel@suse.de>
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> --- drivers/iommu/amd_iommu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index 4e27c57..7b8e1f8 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -1185,7 +1185,7 @@ 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; /* -- 1.9.1
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