diff mbox series

[RFC,v1,7/8] iommu/arm-smmu-v3: check for domain initialization using pgtbl_ops

Message ID 20230818021629.RFC.v1.7.I65dd382de382428dcb33333342b35405903ac768@changeid (mailing list archive)
State New, archived
Headers show
Series Install domain onto multiple smmus | expand

Commit Message

Michael Shavit Aug. 17, 2023, 6:16 p.m. UTC 
In order to remove smmu_domain->smmu in the next commit

Signed-off-by: Michael Shavit <mshavit@google.com>
---

 drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
index 7f88b2b19cbe5..c9f89f4f47721 100644
--- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
+++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
@@ -2918,7 +2918,7 @@  static int arm_smmu_enable_nesting(struct iommu_domain *domain)
 	int ret = 0;
 
 	mutex_lock(&smmu_domain->init_mutex);
-	if (smmu_domain->smmu)
+	if (smmu_domain->pgtbl_ops)
 		ret = -EPERM;
 	else
 		smmu_domain->stage = ARM_SMMU_DOMAIN_NESTED;