Constify the groups array, allowing to assign constant arrays.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
---
 include/linux/device.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/device.h b/include/linux/device.h
index 48a0444ccc1..bfa2ca603c2 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -640,7 +640,7 @@ struct device {
 	struct list_head	devres_head;
 
 	const struct class	*class;
-	const struct attribute_group **groups;	/* optional groups */
+	const struct attribute_group *const *groups;	/* optional groups */
 
 	void	(*release)(struct device *dev);
 	struct iommu_group	*iommu_group;
-- 
2.53.0