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v4l-dev2: handle __must_check
We get hundreds of these: include/media/v4l2-dev.h:348: warning: ignoring return value of 'class_device_create_file', declared with attribute warn_unused_result Handle it, and propagate the __must_check back a level. Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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@ -341,7 +341,7 @@ extern int video_usercopy(struct inode *inode, struct file *file,
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extern struct video_device* video_devdata(struct file*);
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extern struct video_device* video_devdata(struct file*);
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#define to_video_device(cd) container_of(cd, struct video_device, class_dev)
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#define to_video_device(cd) container_of(cd, struct video_device, class_dev)
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static inline int
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static inline int __must_check
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video_device_create_file(struct video_device *vfd,
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video_device_create_file(struct video_device *vfd,
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struct class_device_attribute *attr)
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struct class_device_attribute *attr)
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{
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{
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