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-rw-r--r--include/media/v4l2-dev.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/include/media/v4l2-dev.h b/include/media/v4l2-dev.h
index 30855077be44..23df00919ae8 100644
--- a/include/media/v4l2-dev.h
+++ b/include/media/v4l2-dev.h
@@ -83,14 +83,14 @@ struct video_device
#define to_video_device(cd) container_of(cd, struct video_device, dev)
/* Version 2 functions */
-extern int video_register_device(struct video_device *vfd, int type, int nr);
-int video_register_device_index(struct video_device *vfd, int type, int nr,
+int __must_check video_register_device(struct video_device *vfd, int type, int nr);
+int __must_check video_register_device_index(struct video_device *vfd, int type, int nr,
int index);
void video_unregister_device(struct video_device *);
/* helper functions to alloc / release struct video_device, the
later can be used for video_device->release() */
-struct video_device *video_device_alloc(void);
+struct video_device * __must_check video_device_alloc(void);
/* this release function frees the vfd pointer */
void video_device_release(struct video_device *vfd);
/* this release function does nothing, use when the video_device is a