[PATCH 39/47] v4l-dev2: handle __must_check

[Greg KH]

From: Andrew Morton <akpm@xxxxxxxx>

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@xxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>
---
 include/media/v4l2-dev.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/include/media/v4l2-dev.h b/include/media/v4l2-dev.h
index 810462f..bb495b7 100644
--- a/include/media/v4l2-dev.h
+++ b/include/media/v4l2-dev.h
@@ -341,7 +341,7 @@ #include <linux/mm.h>
 extern struct video_device* video_devdata(struct file*);
 
 #define to_video_device(cd) container_of(cd, struct video_device, class_dev)
-static inline int
+static inline int __must_check
 video_device_create_file(struct video_device *vfd,
 			 struct class_device_attribute *attr)
 {
-- 
1.4.2.1

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