From: Joerg Roedel <jroe...@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 <jroe...@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
_______________________________________________
iommu mailing list
iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu
