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Subject[PATCH v2 13/16] mcb: move to_mcb_device() to use container_of_const()
Date
The driver core is changing to pass some pointers as const, so move
to_mcb_device() to use container_of_const() to handle this change.

to_mcb_device() now properly keeps the const-ness of the pointer passed
into it, while as before it could be lost.

Cc: Johannes Thumshirn <morbidrsa@gmail.com>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
include/linux/mcb.h | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/include/linux/mcb.h b/include/linux/mcb.h
index f6efb16f9d1b..1e5893138afe 100644
--- a/include/linux/mcb.h
+++ b/include/linux/mcb.h
@@ -76,10 +76,7 @@ struct mcb_device {
struct device *dma_dev;
};

-static inline struct mcb_device *to_mcb_device(struct device *dev)
-{
- return container_of(dev, struct mcb_device, dev);
-}
+#define to_mcb_device(__dev) container_of_const(__dev, struct mcb_device, dev)

/**
* struct mcb_driver - MEN Chameleon Bus device driver
--
2.39.0
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