On 27/01/16 05:21, Anup Patel wrote:
We are saving pointer to iommu DT node in of_iommu_set_ops()
hence we should increment DT node ref count.
Oh man, shame on whoever wrote that code! :P
Reviewed-by: Robin Murphy <robin.mur...@arm.com>
Signed-off-by: Anup Patel <anup.pa...@broadcom.com>
Reviewed-by: Ray Jui <r...@broadcom.com>
Reviewed-by: Scott Branden <sbran...@broadcom.com>
---
drivers/iommu/of_iommu.c | 1 +
1 file changed, 1 insertion(+)
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;
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