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media: v4l2-dev: Make macros to obtain containers const-aware 

Retain the constness of the object in media_entity_to_video_device() and
to_video_device(), by switching to container_of_const().

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
pull/1354/merge
Sakari Ailus 2025-10-02 13:32:54 +03:00 committed by Hans Verkuil
parent f17d28968b
commit 68871116f9
1 changed files with 3 additions and 3 deletions
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6
include/media/v4l2-dev.h
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@ -320,8 +320,8 @@ struct video_device {
typeof(__entity) __me_vdev_ent = __entity; \ typeof(__entity) __me_vdev_ent = __entity; \
\ \
__me_vdev_ent ? \ __me_vdev_ent ? \
container_of(__me_vdev_ent, struct video_device, entity) : \ container_of_const(__me_vdev_ent, struct video_device, \
NULL; \ entity) : NULL; \
}) })
/** /**
@ -330,7 +330,7 @@ struct video_device {
* *
* @cd: pointer to &struct device * @cd: pointer to &struct device
*/ */
#define to_video_device(cd) container_of(cd, struct video_device, dev) #define to_video_device(cd) container_of_const(cd, struct video_device, dev)
/** /**
* __video_register_device - register video4linux devices * __video_register_device - register video4linux devices