Allocation of dev->iommu must be done under the
iommu_probe_device_lock. Mark this with lockdep to discourage future
mistakes.
Reviewed-by: Jerry Snitselaar <jsnit...@redhat.com>
Signed-off-by: Jason Gunthorpe <j...@nvidia.com>
---
drivers/iommu/iommu.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index de6dcb244bff4a..34c4b07a6aafae 100644
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c
@@ -345,6 +345,8 @@ static struct dev_iommu *dev_iommu_get(struct device *dev)
{
struct dev_iommu *param = dev->iommu;
+ lockdep_assert_held(&iommu_probe_device_lock);
+
if (param)
return param;
--
2.42.0
_______________________________________________
linux-snps-arc mailing list
linux-snps-arc@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-snps-arc
