The driver core is changing to pass some pointers as const, so move
to_vio_dev() to use container_of_const() to handle this change.
to_vio_dev() now properly keeps the const-ness of the pointer passed
into it, while as before it could be lost.
Cc: Michael Ellerman <m...@ellerman.id.au>
Cc: Nicholas Piggin <npig...@gmail.com>
Cc: Christophe Leroy <christophe.le...@csgroup.eu>
Cc: "David S. Miller" <da...@davemloft.net>
Cc: "Gustavo A. R. Silva" <gustavo...@kernel.org>
Cc: Kees Cook <keesc...@chromium.org>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: linux-ker...@vger.kernel.org
Cc: sparcli...@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
arch/powerpc/include/asm/vio.h | 5 +----
arch/sparc/include/asm/vio.h | 5 +----
2 files changed, 2 insertions(+), 8 deletions(-)
diff --git a/arch/powerpc/include/asm/vio.h b/arch/powerpc/include/asm/vio.h
index e7479a4abf96..cc9b787627ad 100644
--- a/arch/powerpc/include/asm/vio.h
+++ b/arch/powerpc/include/asm/vio.h
@@ -161,10 +161,7 @@ static inline struct vio_driver *to_vio_driver(struct
device_driver *drv)
return container_of(drv, struct vio_driver, driver);
}
-static inline struct vio_dev *to_vio_dev(struct device *dev)
-{
- return container_of(dev, struct vio_dev, dev);
-}
+#define to_vio_dev(__dev) container_of_const(__dev, struct vio_dev, dev)
#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_VIO_H */
diff --git a/arch/sparc/include/asm/vio.h b/arch/sparc/include/asm/vio.h
index 2d7bdf665fd3..8a0c3c11c9ce 100644
--- a/arch/sparc/include/asm/vio.h
+++ b/arch/sparc/include/asm/vio.h
@@ -488,10 +488,7 @@ static inline struct vio_driver *to_vio_driver(struct
device_driver *drv)
return container_of(drv, struct vio_driver, driver);
}
-static inline struct vio_dev *to_vio_dev(struct device *dev)
-{
- return container_of(dev, struct vio_dev, dev);
-}
+#define to_vio_dev(__dev) container_of_const(__dev, struct vio_dev, dev)
int vio_ldc_send(struct vio_driver_state *vio, void *data, int len);
void vio_link_state_change(struct vio_driver_state *vio, int event);
--
2.39.0
