diff mbox

[v2,3/4] of: iommu: Increment DT node refcount in of_iommu_set_ops()

Message ID 1454908652-15317-4-git-send-email-anup.patel@broadcom.com (mailing list archive)
State New, archived
Headers show

Commit Message

Anup Patel Feb. 8, 2016, 5:17 a.m. UTC 
We are saving pointer to iommu DT node in of_iommu_set_ops()
hence we should increment DT node ref count.

Signed-off-by: Anup Patel <anup.patel@broadcom.com>
Reviewed-by: Ray Jui <rjui@broadcom.com>
Reviewed-by: Scott Branden <sbranden@broadcom.com>
Reviewed-by: Robin Murphy <Robin.Murphy@arm.com>
---
 drivers/iommu/of_iommu.c | 1 +
 1 file changed, 1 insertion(+)
diff mbox

Patch

diff --git a/drivers/iommu/of_iommu.c b/drivers/iommu/of_iommu.c
index 60ba238..5fea665 100644
--- a/drivers/iommu/of_iommu.c
+++ b/drivers/iommu/of_iommu.c
@@ -110,6 +110,7 @@  void of_iommu_set_ops(struct device_node *np, struct iommu_ops *ops)
 	if (WARN_ON(!iommu))
 		return;
 
+	of_node_get(np);
 	INIT_LIST_HEAD(&iommu->list);
 	iommu->np = np;
 	iommu->ops = ops;